Chemistry 0620 · IGCSE
Group I properties
100 practice questions on Group I properties, with worked solutions and instant marking.
The elements in one group of the Periodic Table display these patterns. Which group do the elements belong to? 1. The element with the smallest proton number has the lowest reactivity. 2. Every element in the group produces basic oxides. 3. The density of the elements rises down the group. 4. The melting point of the elements falls down the group.
Feb/March 2016
The elements in one group of the Periodic Table show these patterns. 1 The element with the smallest proton number is the least reactive. 2 Every element in the group forms basic oxides. 3 The density of the elements rises down the group. 4 The melting point of the elements falls down the group. Which group do these elements belong to?
Feb/March 2016
Rubidium, Rb, belongs to Group I. Its physical and chemical behaviour is similar to that of the other Group I elements.
Feb/March 2016
When heated with a Bunsen burner, which metal carbonate does not give off carbon dioxide?
Feb/March 2017
Which of the following statements about Group I and Group VII elements is correct?
Feb/March 2018
Which of the following statements about Group I and Group VII elements are correct?
Feb/March 2018
When heated, which metal carbonate does not give off carbon dioxide?
Feb/March 2019
The table presents some properties of four metals from Group I of the Periodic Table.
Feb/March 2020
Which row indicates how the properties of the Group I elements change as you go down the group?
Feb/March 2021
The following facts are provided for element X: melting point = $64^{\circ}\text{C}$; density = $0.86\,\text{g cm}^{-3}$; reacts vigorously with water. In which part of the Periodic Table is X placed?
Feb/March 2023
Lithium, sodium and potassium belong to Group I elements.
Feb/March 2023
The table lists some properties of several elements in Group I of the Periodic Table. Rubidium is another element in Group I of the Periodic Table. Which row gives the properties of rubidium?
Feb/March 2024
Which of the following statements about the properties of elements in Group I or Group VII is correct?
Feb/March 2024
Rubidium belongs to Group I metals. Which statement concerning rubidium is incorrect?
May/June 2016
Which statement concerning the elements in Group I is correct?
May/June 2016
Rubidium is a Group I metal. Which statement about rubidium is incorrect?
May/June 2016
Which of the following statements about the elements in Group I is correct?
May/June 2016
The table summarises some properties of the Group I metals.
May/June 2016
Sodium is a metal that belongs to Group I of the Periodic Table.
May/June 2016
A section of the Periodic Table is shown. Which element is a soft solid that reacts very vigorously with cold water?
May/June 2017
Which element is less reactive than the other elements in its group in the Periodic Table?
May/June 2017
Group I metals react very vigorously with water and give out heat. Which statement about this reaction is correct?
May/June 2018
This question concerns Group I elements and their compounds.
May/June 2018
This question concerns Group I elements and the compounds they form.
May/June 2018
Cobalt belongs to the transition elements. Potassium is placed in Group I of the Periodic Table.
May/June 2018
The melting points and boiling points for the elements in Group I of the Periodic Table are given. At $800\degree\text{C}$, which pair of elements would be in the liquid state?
May/June 2019
Which of the following statements about the properties of the elements in Group I and in Group VII is correct?
May/June 2019
The characteristics of an element are listed below. Electrical conductivity: high Density: low Reaction with water: reacts violently with cold water Which element has these characteristics?
May/June 2019
Which of the following statements about elements in Group I and Group VII of the Periodic Table is correct?
May/June 2019
The melting points and boiling points of the Group I elements in the Periodic Table are given below. At $800\,^{\circ}\text{C}$, which pair of elements is in the liquid state?
May/June 2019
Which statement correctly describes the properties of elements in Group I and Group VII?
May/June 2019
Which row states the pattern in the properties of the elements in Group I as the group is descended?
May/June 2021
A number of metal nitrates and carbonates break down on strong heating. Metal Q has a nitrate that decomposes to form a salt and only a colourless gas. When the carbonate of metal Q is heated with a Bunsen burner, it does not decompose. What is the identity of metal Q?
May/June 2021
Certain metal nitrates and carbonates decompose on strong heating. Metal Q has a nitrate which breaks down to form a salt and a colourless gas only. When the carbonate of metal Q is heated with a Bunsen burner, it does not decompose. What is metal Q?
May/June 2021
Some metal nitrates and carbonates break down when they are heated strongly. Metal Q has a nitrate that breaks down to produce a salt and only a colourless gas. The carbonate of metal Q does not break down when it is heated using a Bunsen burner. Which metal is Q?
May/June 2021
The table summarises several properties of four Group I elements.
May/June 2021
Lithium, sodium and potassium are elements in Group I of the Periodic Table. Which of the following statements about these elements is correct?
May/June 2022
Lithium, sodium and potassium are elements in Group I of the Periodic Table. Chlorine, bromine and iodine are elements in Group VII of the Periodic Table. Which row shows the element with the lowest density in each group?
May/June 2022
Lithium and sodium belong to Group I in the Periodic Table. Which of the following statements about the properties of lithium and sodium are correct?
May/June 2022
Lithium, sodium and potassium are elements in Group I of the Periodic Table. Chlorine, bromine and iodine are elements in Group VII of the Periodic Table. Which row shows the element with the lowest density in each group?
May/June 2022
This question concerns Group I elements and Group VII elements.
May/June 2022
This question concerns sodium and compounds made from sodium.
May/June 2022
This question concerns Group I and Group VII elements.
May/June 2022
The Periodic Table may be used to sort elements into groups.
May/June 2022
Which row indicates the pattern for melting point, density and reactivity as Group I is descended?
May/June 2023
Which of these statements about alkali metals is correct?
May/June 2023
The diagram illustrates the reaction that takes place when potassium is added to water. $\text{2K} + \text{2H}_2\text{O} \rightarrow \text{2KOH} + \text{H}_2$ Which row is the correct one?
May/June 2023
Which statement about alkali metals is accurate?
May/June 2023
The table shows some data about three elements in Group I of the Periodic Table. Which row gives the melting point and density of rubidium?
May/June 2024
Lithium and potassium are metals belonging to Group I of the Periodic Table. Lithium has a melting point of $181\,^\circ\text{C}$ and a density of $0.53\,\text{g cm}^{-3}$. Which row gives the melting point and density of potassium?
May/June 2024
The atoms of sodium, rubidium and element Q each contain one electron in their outer shell. A number of properties of these elements are given. Which element is Q?
May/June 2024
Table 2.1 lists the elements present in the human body and shows each one’s percentage by mass.
May/June 2024
Blood plasma is the liquid portion of blood. Table 2.1 lists the mass, in mg, of several ions found in 100 cm$^3$ of blood plasma.
May/June 2024
E is an element in Group I of the Periodic Table. Two properties of E are given below. • Its melting point is higher than that of caesium. • Its density is lower than that of sodium. What is the identity of E?
May/June 2025
Which row shows the pattern in the properties of the elements lithium to sodium to potassium?
May/June 2025
Lithium, sodium and potassium are elements in Group I of the Periodic Table. Which of the following statements about these elements are correct?
May/June 2025
Sodium is a metal in Group I. What is one physical property of sodium?
May/June 2025
Alkali metals are highly reactive elements.
May/June 2025
This question concerns the Periodic Table.
May/June 2025
Which of the following is not a property of Group I metals?
Oct/Nov 2016
Which of the following is not a property of Group I metals?
Oct/Nov 2016
Which of the following is not a property of Group I metals?
Oct/Nov 2016
Which of the following is not a characteristic of Group I metals?
Oct/Nov 2016
Which characteristic is not one of the properties of Group I metals?
Oct/Nov 2016
Which of the following is not a property of Group I metals?
Oct/Nov 2016
Sodium and rubidium are elements in Group I of the Periodic Table. Which statement is correct?
Oct/Nov 2017
The following properties are given for element X. melting point in ^{\circ}C: 98 boiling point in ^{\circ}C: 883 reaction with cold water: releases $\text{H}_2$ gas reaction when heated with oxygen: burns and produces a white solid In which part of the Periodic Table would X be placed?
Oct/Nov 2017
Sodium and rubidium are elements in Group I of the Periodic Table. Which statement is correct?
Oct/Nov 2017
The following properties of element X are given. Melting point: $98^\circ\text{C}$ Boiling point: $883^\circ\text{C}$ Reaction with cold water: releases $\text{H}_2$ gas Reaction when heated with oxygen: burns, forming a white solid In which part of the Periodic Table would X be located?
Oct/Nov 2017
When heated strongly, some metal nitrates and carbonates break down. The nitrate of metal Q breaks down to produce a salt and only a colourless gas. The carbonate of metal Q does not break down when it is heated using a Bunsen burner. Which metal is Q?
Oct/Nov 2017
Nickel may be made from nickel(II) oxide by heating it with a mixture of carbon monoxide and hydrogen. $2\text{NiO} + \text{CO} + \text{H}_2 \rightarrow 2\text{Ni} + \text{CO}_2 + \text{H}_2\text{O}$
Oct/Nov 2017
Elements in Group I of the Periodic Table react with water. Which row shows the products formed in this reaction and the pattern in the elements’ reactivity?
Oct/Nov 2018
Elements in Group I of the Periodic Table react with water. Which row shows the products formed in the reaction and the pattern in the elements’ reactivity?
Oct/Nov 2018
Elements in Group I of the Periodic Table react with water. Which row shows the products formed in this reaction and the pattern in reactivity of the elements?
Oct/Nov 2018
Which statement gives a description of the elements in Group I?
Oct/Nov 2018
Elements in Group I of the Periodic Table react with water. Which row shows the products formed in the reaction and the trend in the elements’ reactivity?
Oct/Nov 2018
Elements in Group I of the Periodic Table react with water. Which row shows the products formed in the reaction and how the reactivity of the elements changes?
Oct/Nov 2018
Elements in Group I of the Periodic Table react with water. Which row shows the substances formed in the reaction and the pattern in the elements’ reactivity?
Oct/Nov 2018
The table lists some properties of Group I elements.
Oct/Nov 2018
Which pair of elements reacts with each other most violently?
Oct/Nov 2019
Which pair of elements reacts with the greatest violence?
Oct/Nov 2019
A metal reacts strongly with water. Which statement about this metal is correct?
Oct/Nov 2019
Which pair of elements reacts with the greatest violence?
Oct/Nov 2019
Which two elements react with the greatest violence when combined?
Oct/Nov 2019
This question concerns the Group I elements.
Oct/Nov 2019
Group I elements, Group VII elements and transition elements are located in separate sections of the Periodic Table.
Oct/Nov 2020
What products are formed when sodium reacts with water?
Oct/Nov 2021
Lithium, sodium and potassium are elements in Group I of the Periodic Table. Which statement concerning sodium is correct?
Oct/Nov 2021
Some characteristics of two metals, G and H, are listed below. Metal G: its chloride has the formula $\text{GCl}$; it reacts with water when cold. Metal H: has a high melting point; shows more than one oxidation state. Which row concerning metals G and H is correct?
Oct/Nov 2021
The table gives several properties of the Group I elements.
Oct/Nov 2021
The table presents several properties of the Group I elements.
Oct/Nov 2021
Some data on the properties of Group I elements are given below. Lithium has a melting point of $181\,^{\circ}\text{C}$ and a density of $0.53\,\text{g cm}^{-3}$. Sodium has a melting point of $98\,^{\circ}\text{C}$ and a density of $0.97\,\text{g cm}^{-3}$. Potassium has a melting point of $X$. Rubidium has a melting point of $Y$ and a density of $Z$. What are the values of $X$, $Y$ and $Z$?
Oct/Nov 2022
Which statement is correct about sodium?
Oct/Nov 2022
Some data on the properties of Group I elements is given below. The table lists lithium, sodium, potassium and rubidium, together with melting point / ^{\circ}C and density in $\text{g cm}^{-3}$. Potassium has melting point $X$. Rubidium has melting point $Y$ and density $Z$. What values should $X$, $Y$ and $Z$ take?
Oct/Nov 2022
Which metal produces ions in only one oxidation state?
Oct/Nov 2022
Complete the table by estimating: • the boiling point of sodium • the hardness of rubidium.
Oct/Nov 2022
Potassium belongs to Group I.
Oct/Nov 2022
The following information is given for element R. Melting point is $98\,^{\circ}\text{C}$. Boiling point is $883\,^{\circ}\text{C}$. When reacted with cold water, $\text{H}_2$ gas is released. When heated with oxygen, it burns and forms a white solid. In which section of the Periodic Table is R located?
Oct/Nov 2023
Lithium, sodium and potassium are Group I elements. A set of statements about these elements is given. Which of the statements are correct?
Oct/Nov 2023
Which row shows the properties of an element that belongs to the same group in the Periodic Table as lithium?
Oct/Nov 2023