Types of Substances and Elements Quiz

Substance A contains only one type of atom and does not conduct electricity. Which type of substance is A?

• Compound

• Metallic element

• Mixture

• Non-metallic element

Substance B contains two types of atoms that are chemically combined together in fixed proportions. Which type of substance is B?

• Compound

• Metallic element

• Mixture

• Non-metallic element

What is the name of the elements in Group 0 of the periodic table?

• Transition metals

• Halogens

• Noble gases

• Alkali metals

Which statement about the elements in Group 0 is correct?

• All elements in the group are very reactive.

• All elements in the group form negative ions.

• The boiling points increase down the group.

• The relative atomic masses (Aᵣ) decrease down the group.

Neon is in Group 0. What type of particles are in a sample of neon?

• Atoms

• Ions

• Molecules

• Compounds

What is the empirical formula of the oxide shown in the diagram, where black circles represent metal (X) and grey circles represent oxygen (O)?

• XO

• XO2

• XO3

• XO4

The surface area of a cube is given by the equation: surface area = (length of side)² × 6. If the length of each side of a cube is 2.8 nm, what is the surface area of the cube to 2 significant figures?

• 47 nm²

• 42 nm²

• 50 nm²

• 36 nm²

How does the surface area to volume ratio of a fine particle cube compare with that of a coarse particle cube, if the length of the fine particle cube is 10 times smaller than the length of the coarse particle cube?

• Both surface area to volume ratios are the same.

• The surface area to volume ratio of the fine particle is 10 times greater.

• The surface area to volume ratio of the fine particle is 10 times smaller.

• The surface area to volume ratio of the coarse particle is 10 times greater.

What is the meaning of 'isotopes' in terms of subatomic particles?

• Atoms of the same element with the same number of protons but different numbers of neutrons.

• Atoms of different elements with the same number of neutrons.

• Atoms of the same element with different numbers of protons and electrons.

• Atoms of different elements with the same number of protons.

Based on the table, which isotope of gallium is more abundant in nature?

• Gallium-69

• Gallium-71

• Both are equally abundant

• Neither isotope is abundant