C3 Quiz

The Group 1 elements form:

• 1+ ions

• 2+ ions

• 1- ions

• 2- ions

The Group 1 elements have how many electrons in their outer shell?

• 7

• 6

• 1

• 2

A potassium atom has 19 protons. What is its electronic configuration?

• 2,8,9

• 2,8,1

• 10,8,1

• 2,8,8,1

Chlorine is in Group 7 of the Periodic table. This means it...

• is an alkali metal

• has 7 electrons in its outer shell

• forms 1+ ions

• forms 1- ions

An atom of calcium loses two electrons to form a...

• Ca⁺ ion

• Ca²⁺ ion

• Ca^- ion

• Ca^2- ion

Ionic bonding involves

• sharing of electrons

• transfer of electrons

Covalent bonding involves

• transfer of electrons

• sharing of electrons

Ionic bonding happens between...

• a metal and a metal

• a metal and a non-metal

• a non-metal and a non-metal

Covalent bonding happens between...

• a metal and a metal

• a metal and a non-metal

• a non-metal and a non-metal

What best describes the structure of an ionic solid?

• simple molecule

• giant covalent molecule

• giant ionic lattice

• intermolecular