Chemistry 5070 · O Level
Giant covalent structures
26 practice questions on Giant covalent structures, with worked solutions and instant marking.
Which statement indicates that graphite and diamond are different forms of the element carbon?
May/June 2016
Which substance has a giant covalent structure and includes atoms from more than one element?
May/June 2017
The diagrams illustrate the structures of two forms of carbon. Which one of X and Y conducts electricity?
May/June 2017
Silicon is classified as a non-metal in Group IV of the Periodic Table.
May/June 2018
Diamond and graphite are two distinct forms of the element carbon. They are used for different purposes. Which row is correct?
May/June 2019
X is the bond pattern surrounding a carbon atom in graphite. Y is the bond pattern surrounding a carbon atom in diamond. Z is the bond pattern surrounding a silicon atom in silicon(IV) oxide, $\text{SiO}_2$. Which of these arrangements of bonds are identical?
May/June 2023
A set of statements about graphite and silicon(IV) oxide, $\text{SiO}_2$, is given. Which statement is correct?
May/June 2024
Which statement regarding silicon(IV) oxide is correct?
May/June 2025
Which statement concerning graphite is incorrect?
Oct/Nov 2015
Which statement regarding graphite is incorrect?
Oct/Nov 2015
The structures of diamond and silicon dioxide are displayed.
Oct/Nov 2015
The table presents some properties of four solid elements. Which element might be graphite?
Oct/Nov 2016
In the solid state, germanium has the same structure as diamond. State the likely melting point of germanium.
Oct/Nov 2017
The table lists the melting points and relative electrical conductivities of three elements in Period 3 of the Periodic Table.
Oct/Nov 2017
At room temperature, which substance has a giant covalent structure?
Oct/Nov 2018
At room temperature, which substance has a giant covalent structure?
Oct/Nov 2018
An element with a high melting point forms an oxide that is gaseous at room temperature. What kind of structure or bonding is present in the element?
Oct/Nov 2018
Silicon belongs to Group IV of the Periodic Table.
Oct/Nov 2019
Which material has the greatest melting point?
Oct/Nov 2020
Silicon dioxide has a giant structure. Every silicon atom is covalently bonded to four oxygen atoms. A section of the structure is shown. Which property would silicon dioxide be expected to have?
Oct/Nov 2022
A set of four statements about graphite, diamond and silicon(IV) oxide is given. Which of these statements are correct?
Oct/Nov 2023
Table 9.1 gives the melting points and relative electrical conductivities of three elements.
Oct/Nov 2023
Explain, using structure and bonding, why diamond and iodine have different melting points.
Oct/Nov 2023
Substance X is a simple molecular substance and substance Y has a giant covalent structure. Which row is correct?
Oct/Nov 2024
Fig. 6.1 illustrates the structures of zinc sulfide and disulfur dichloride. Zinc sulfide has a structure like diamond.
Oct/Nov 2024
What is one property of diamond?
Oct/Nov 2025