Atomic Structure and Bonding

What sub-atomic particle has a neutral charge?

• Nucleus

• Proton

• Neutron

• Electron

What type of bonding involves the transfer of electrons?

• Covalent

• Ionic

• Metallic

Give the name for atoms of the same element, with the same number of protons but a different number of neutrons.

• Isotope

• Ion

• Atom

• Element

Where is most of the mass found in the atom?

• Shells

• Nucleus

• Empty space

What type of bonding involves the sharing of electrons?

• Metallic

• Covalent

• Ionic

Oxygen is in Group 6, what charge will an oxide ion have?

• -1

• +2

• +1

• -2

Give the formula of the magnesium fluoride.

• Mg₂F

• MgF

• MgF₂

• 2MgF

Na has an atomic number of 11 and a mass number of 23. State the number of protons, neutrons and electrons.

• P = 11, E = 11, N = 12

• P = 11, E = 11, N = 34

• P = 11, E = 12, N = 11

• P = 11, E = 11, N = 11

Give the formula of sodium oxide.

• NaO

• NaO₂

• Na₂O

• 2NaO

State the correct electronic configuration of a Magnesium ion.

• 2.8

• 2.8.2

• 2.8.8.2