The Periodic Table — IGCSE Chemistry (0620) questions by topic

Which statement about the Periodic Table is correct? A The elements are arranged in order of increasing relative atomic mass. B The reactivity of the elements in Group I and in…

Part of the Periodic Table is shown. Which element shows the most metallic character? Four elements are labelled A, B, C and D on an outline of the Periodic Table. Element A is on…

E is an element from Group I of the Periodic Table. Two properties of E are listed. • It has a higher melting point than caesium. • It has a lower density than sodium. What is the…

An equation for the displacement reaction between aqueous halogen, X2, and aqueous halide ions, Y-, is shown. X2(aq) + 2Y-(aq) → 2X-(aq) + Y2(aq) Which row identifies X2 and Y-…

Some information about an element is shown. property value --- --- melting point / °C 1555 boiling point / °C 2963 colour of oxide brown use of element as a catalyst What is the…

Which statement defines the atomic number of an element? A the group number of the element B the mass of one atom of the element C the number of particles in the nucleus of one…

Which statement about elements in the Periodic Table is correct? A Elements in the same group of the Periodic Table have the same electronic configuration. B The atoms of the…

Which row identifies the trends in properties of the elements lithium to sodium to potassium? melting point density reactivity --- --- --- --- A decreasing increasing increasing B…

Which statements about the halogens are correct? 1 They are all diatomic molecules. 2 They are all gases at room temperature and pressure. 3 The density of the elements increases…

Zirconium is a transition element. What is a property of zirconium? A high density B does not conduct heat C forms white compounds only D low melting point

Some gases exist as single atoms, are unreactive and have eight electrons in their outer electron shell. Which gases fit this description? 1 helium 2 argon 3 oxygen 4 krypton A 1,…

Which statement about elements and their atoms is correct? A Aluminium is in the second period of the Periodic Table and has two occupied electron shells. B Helium is in Group…

Which substance forms a blue solution when it is added to water? A cobalt(II) chloride B copper(II) sulfate C thymolphthalein D universal indicator

Lithium, sodium and potassium are elements in Group I of the Periodic Table. Which statements about these elements are correct? 1 They react with water to produce hydrogen. 2 The…

X, Y and Z are each one of the elements chlorine, bromine and iodine. When aqueous X is mixed with aqueous ions of Y, there is no reaction. When aqueous Y is mixed with aqueous…

Which row describes the properties of a transition element? melting point / degC density at r.t.p. colour and state of its oxide at r.t.p. --- --- --- --- A -210 low brown gas B…

Which statements about the elements in Group VIII are correct? 1 They all have eight electrons in their outer electron shell. 2 They all react with sodium to form ionic compounds.…

The properties of the elements change from left to right across the Periodic Table. Which statement describes how the properties change across Period 3? A. Elements change from…

Which property decreases down Group VII of the Periodic Table, from chlorine to iodine? A. atomic number B. density C. reactivity D. melting point

Some properties of elements are listed. 1. They have good electrical conductivity. 2. They have high melting points. 3. They are malleable. 4. They have ions with variable…

Two statements about noble gases are listed. 1. Noble gases are reactive, monatomic gases. 2. Noble gases all have a full outer shell of electrons. Which statements about noble…

The table shows some properties of noble gases. noble gas density in g/dm^3 boiling point in °C --- --- --- helium 0.2 -269 neon 0.9 -246 argon 1.8 -186 krypton xenon 5.9 -108…

Sodium is a Group I metal. What is a physical property of sodium? A non-conductor of electricity B high melting point C high density D malleable

Tennessine (atomic number 117) is a manufactured element that is below astatine in Group VII of the Periodic Table. What is the expected state of tennessine at room temperature…

When chlorine is bubbled into aqueous sodium bromide, a displacement reaction occurs. Which description of this reaction is correct? A Chloride displaces bromide. B Chlorine…

Which atom has twice as many neutrons as protons? A proton number 1, nucleon number 1 (1/1 H) B proton number 1, nucleon number 2 (2/1 H) C proton number 1, nucleon number 3 (3/1…

What is the nucleon number of an atom? A the number of electrons, neutrons and protons in the nucleus B the number of neutrons and protons in the nucleus C the number of neutrons…

The diagram shows the positions of elements P and Q in the Periodic Table. P is in Group II (second period of that group), and Q is in Group VI near the right-hand side of the…

A Group I metal (lithium or potassium) is reacted with a Group VII element (chlorine or iodine). Which compound is formed when the Group I metal of highest density reacts with the…

Element X is in the same group of the Periodic Table as silicon. An atom of element X has more protons than a silicon atom. Which element could be X? A aluminium B carbon C…

Which statement about the elements in Group VIII is correct? A They all form diatomic molecules. B They all have eight electrons in their outer electron shells. C They all react…

Which element is a transition element? The options give the melting point, density at r.t.p. and colour of oxide at r.t.p. for each row. melting point in degrees C density at…

This question is about sulfur and its compounds. Explain why sulfur is placed in Group VI of the Periodic Table.

This question is about phosphorus and its compounds. Phosphorus is in Group V of the Periodic Table. Explain why phosphorus is placed in this group.

This question is about nitrogen and its compounds. Explain why nitrogen is in Group V of the Periodic Table.

This question is about the Periodic Table. State the name given to Group VII elements.

Alkali metals are reactive elements. State the group number of the alkali metals.

This question is about the Periodic Table. State the name given to Group I elements.

Which row about elements in the Periodic Table is correct? (columns: statement 1; statement 2) A two elements in the same group have similar chemical properties; metals are on the…

The table gives information about three Group I elements (element; atomic number; melting point in °C; density in g/cm³): lithium 3, 181, 0.53; sodium 11, 98, 0.97; rubidium 37,…

Which statement describes a transition element? A It is a dull grey metal that only forms white compounds. B It is a high-density metal with a high melting point that is used as a…

The electronic configurations of helium, neon and argon are shown. Which row describes these gases? (columns: reactivity; form of the gas; electronic configuration) A reactive;…

Which statements describe changes that occur from left to right across a period of the Periodic Table? 1 The atomic number of the elements increases. 2 The metallic character of…

Part of the Periodic Table is shown with four positions labelled A, B, C and D. A is at the bottom-left (a Group I metal), B is in the centre (a transition element), C is at the…

An alloy contains aluminium, copper, magnesium, manganese, silver and zirconium. Which row identifies the number of transition elements in the alloy and the relative density of…

Which statement about the halogens and their compounds is correct? A The colour of the element gets lighter going down Group VII. B The elements get less dense going down Group…

Which row describes an element in Group VIII of the Periodic Table? (columns: boiling point / °C; structure) A -107; diatomic B -107; monatomic C 107; diatomic D 107; monatomic

Which statements about elements in the Periodic Table are correct? 1 Elements in the same group have the same number of electrons in their outer shell. 2 Elements in the same…

Four mixtures each contain a halogen and an aqueous sodium halide. Which row describes what happens in the mixtures shown? (columns: mixture; description) A iodine + sodium…

Which row describes a transition element? (columns: density in g/cm³; colour of chloride) A 0.98; green B 0.98; white C 8.90; green D 8.90; white

The electronic configurations of two elements are given. Element L: 2,8,8,1. Element M: 2,8,4. Which row identifies the group number and the period number for element L and…

Chlorine displaces bromine from aqueous potassium bromide. The ionic equation for the reaction is shown: Cl2 + 2Br⁻ → 2Cl⁻ + Br2 Which statement about this reaction is correct? A…

Which statement about elements in Period 3 of the Periodic Table is correct? A Aluminium is a non-metal in Group III. B Argon is in Group VIII and has eight electrons in its outer…

Which row describes the structure of Group VII elements and the trend in their reactivity down the group? (columns: structure; reactivity down Group VII) A diatomic; increases B…

Some information about four elements, P, Q, R and S, is shown (melting point in °C; density in g/cm³; colour of chloride): P 1247, 7.43, pink; Q 1410, 2.33, white; R 1910, 6.11,…

Which statements about the position of the elements in the Periodic Table are correct? 1 Elements in the same group have similar chemical properties. 2 Elements in the same period…

Lithium and potassium are metals in Group I of the Periodic Table. Lithium has a melting point of 181 °C and a density of 0.53 g/cm³. Which row describes the melting point and…

Which statements about transition elements are correct? 1 They have a low density. 2 They form ions with variable oxidation numbers. 3 They have a high melting point. 4 They form…

Which statements describe the elements in Group VIII of the Periodic Table? 1 Their atoms have full outer electron shells. 2 They are unreactive metals. 3 They are monatomic…

Element E is in Group II of the Periodic Table. Which row describes element E and its oxide? (columns: element E; oxide of E) A metal; acidic B metal; basic C non-metal; acidic D…

Which statement explains why sulfur, S, has similar chemical properties to selenium, Se? A They both have the same number of electrons in their outer electron shell. B They are…

Atoms of sodium, rubidium and element Q each have one outer shell electron. Some properties of these elements are shown (element; melting point in °C; boiling point in °C; density…

Which statement about elements in Group VIII of the Periodic Table is correct? A They all have a full outer shell of electrons. B They all react with Group I elements to form…

Table 2.1 shows the percentages by mass of the elements present in the human body (element; percentage by mass): calcium 1.50; carbon 18.00; chlorine 0.15; hydrogen 10.00;…

Metal X is in Group II of the Periodic Table. X is reacted separately with dilute sulfuric acid and with oxygen. Which row identifies the products of each reaction? products with…

Which pair of elements react together most violently? A chlorine and lithium B chlorine and potassium C iodine and lithium D iodine and potassium

Rubidium is an element in Group I of the Periodic Table. Which row describes a physical property and a chemical property of rubidium? physical property chemical property --- ---…

Which row describes the state and colour of bromine at room temperature and pressure? state colour --- --- --- A liquid red-brown B liquid grey-black C solid red-brown D solid…

Part of the Periodic Table is shown, with four elements labelled A, B, C and D in positions across a period (A on the left/metal side, B and C near the metalloid/non-metal region,…

Which compound is made from elements that are all in the same period? A Al2(SO4)3 B C2H5OH C LiNO3 D Na3AlF6

Which statement about the Periodic Table is correct? A All the metals in the Periodic Table are transition elements. B The halogens are elements in Group I of the Periodic Table.…

Which option describes the electronic configurations of three different elements from the same group of the Periodic Table? A 2 ; 2,2 ; 2,8,8,2 B 2 ; 2,8 ; 2,8,2 C 2,1 ; 2,8,1 ;…

Which metal forms compounds that can be used to colour glass? A aluminium B calcium C chromium D sodium

Two properties of element R are listed. - It is a dark solid at room temperature. - It is a diatomic molecule. Where on the Periodic Table is R placed? A Group I B Group VII C…

Which statement about the displacement reactions of the halogens is correct? A Iodine displaces bromine from aqueous sodium bromide. B Bromine displaces chlorine from aqueous…

The table shows some properties of the halogens. halogen melting point / °C colour at room temperature state at room temperature --- --- --- --- chlorine -101 yellow-green gas…

J, L and M are elements in the Periodic Table. - J has the highest density. - L has the highest reactivity with water. - M has the highest atomic number. Which row identifies the…

Which statement about elements in Group I of the Periodic Table is correct? A Rubidium has a greater density than caesium. B Lithium has a higher melting point than potassium. C…

Which diagram shows a mixture of noble gases? (Four particle diagrams A-D are shown; the correct one shows separate single atoms of more than one kind, all unbonded.) A B C D

Which statement about elements in Group I or Group VII of the Periodic Table is correct? A Bromine reacts with potassium chloride to produce chlorine. B Iodine is a monatomic…

Some information about an element from Group VII of the Periodic Table is shown: melting point -7 °C, boiling point 59 °C. What is the element? A fluorine B chlorine C bromine D…

Manganese(IV) oxide, MnO2, is a black solid. The equation for the reaction between manganese(IV) oxide and dilute hydrochloric acid is shown. MnO2 + 4HCl - MnCl2 + 2H2O + Cl2 The…

Which row shows the properties of a transition element? catalyst colour of oxide electrical conductivity --- --- --- --- A yes red good B yes green poor C no yellow good D no…

Fluorine is the element at the top of Group VII of the Periodic Table. Which statement describes fluorine? A It is inert. B It is monatomic. C It is non-metallic. D It is a solid…

Acidified potassium dichromate(VI), K2Cr2O7, is used to oxidise ethanol, C2H5OH. The ionic equation for the reaction is shown. 3C2H5OH + 2Cr2O7 2- + 16H+ - 3CH3COOH + 4Cr3+ +…

Which statements describe the Periodic Table? 1 The elements are arranged in order of their nucleon number. 2 The elements are arranged in order of their proton number. 3 It is…

Fig. 1.1 shows part of the Periodic Table, with these elements positioned: H (top, above the main block); Na, K, Ca in Groups I-II; Al, P, S, Cl, Ar in the right-hand block; F…

Table 5.1 shows some properties of five halogens (halogen / melting point /°C / boiling point /°C / atomic radius /nm): fluorine -220, -188, (blank); chlorine -101, -35, 0.099;…

Fig. 1.1 shows part of the Periodic Table, with these elements positioned: H (top); Na, K, Ca in Groups I-II; Al, Zn, S, Ar in the right-hand block; Br and I in Group VII; Ba in…

Table 5.1 shows some properties of five halogens (halogen / melting point /°C / boiling point /°C / density in liquid state in g/cm³): fluorine -220, -188, (blank); chlorine -101,…

Fig. 1.1 shows part of the Periodic Table (containing the elements Li, K, Ca, Rb, Cr, Fe, Zn, Ag, Au, H, Al, N, I, He and Ne). Answer the following questions using only the…

Table 5.1 shows some properties of five halogens (halogen / melting point /°C / boiling point /°C / atomic volume in cm³/mol): fluorine -220, -188, (blank); chlorine -101, -35,…

Answer the following questions using only the elements in Fig. 1.1. Each symbol of the element may be used once, more than once or not at all. Give the symbol of the element that…

Table 2.1 shows some properties of the halogens. halogen melting point in °C boiling point in °C density at r.t.p. in g/cm³ --- --- --- --- fluorine -220 -188 0.0016 chlorine -101…

This question is about metals. Iron is a transition element. Potassium is an element in Group I of the Periodic Table. State two differences in the physical properties of iron…

Table 2.1 shows some properties of the halogens. halogen melting point in °C boiling point in °C density at r.t.p. in g/cm³ --- --- --- --- chlorine -101 -35 0.003 bromine -7 +59…

Table 2.1 shows some properties of the halogens. halogen melting point in °C boiling point in °C density at r.t.p. in g/cm³ --- --- --- --- fluorine -220 -188 chlorine -101 0.003…

This question is about metals. Nickel is a transition element. Sodium is an element in Group I of the Periodic Table. State two differences in the physical properties of nickel…

Fluorine, chlorine and bromine are in Group VII of the Periodic Table. State the name given to Group VII elements.

This question is about metals and metal compounds. Table 5.1 shows some properties of some Group I metals. metal melting point in °C boiling point in °C observations on reaction…

This question is about metals. Table 5.1 shows some properties of some Group I metals. metal melting point in °C boiling point in °C atomic volume in cm³ / mol observations on…

This question is about metals. Table 5.1 shows some properties of the Group I metals. metal melting point in °C boiling point in °C atomic volume in cm³ / mol observations on…