Ardingly College Covalent Bonding Starter

Ionic bonding involves the ________________________ of electrons.

• transfer

• sharing

• creation

• destruction

Covalent bonding involves the _____________ of _____________ of electrons.

• sharing pairs

• transfer pairs

• sharing single

• transfer single

The number of electrons in a single covalent bond is: (circle the correct number).

• 1

• 2

• 4

• 8

In a covalent bond, the attraction is between the ________________ of two atoms and shared ____________________ of ______________________.

• neutrons and pairs of electrons

• electrons and pairs of protons

• nuclei and pairs of neutrons

• protons and pairs of neutrons

• nuclei and pairs of electrons

Ionic compounds have ________________________ structures which have ____________________ melting points.

• giant lattice

• high

• small lattice

• low

• medium

Covalent compounds usually have ____________________ melting points because they have simple structures called ________________________.

• low, molecules

• high, atoms

• moderate, ions

• variable, crystals