Nigerian SS2 Chemistry Quiz

What is the relative charge of a proton?

• –1

• 0

• +1

• +2

The number of protons in an atom is called its:

• atomic mass

• atomic number

• relative mass

• neutron number

Which subatomic particle is not found in the nucleus?

• Proton

• Electron

• Neutron

• Nucleon

Which of the following is a compound?

• H

• O

• CO₂

• He

Which type of bonding occurs in sodium chloride?

• Covalent

• Metallic

• Ionic

• Hydrogen

An ion is formed when:

• atoms gain or lose protons

• atoms gain or lose neutrons

• atoms gain or lose electrons

• atoms are excited

Which of the following elements is a noble gas?

• Oxygen

• Nitrogen

• Argon

• Carbon

Group I elements are known as:

• transition metals

• alkali metals

• noble gases

• halogens

Which of these is a halogen?

• Fluorine

• Neon

• Sodium

• Calcium

What is the correct formula for sulfuric acid?

• HNO₃

• HCl

• H₂SO₄

• CH₃COOH