Foundations - Covalent Bonds

Question 1

What is a covalent bond?

Answer 1

A bond formed by the sharing of electrons between two non-metals to fill their valence shells.

Question 2

What is a single covalent bond?

Answer 2

One shared pair of electrons.

Question 3

What is a double covalent bond?

Answer 3

Two shared pairs of electrons.

Question 3

What is a triple covalent bond?

Answer 3

Three shared pairs of electrons.

Question 3

What is electronegativity (EN)?

Answer 3

An atom’s ability to attract electrons in a chemical bond.

Question 4

What does ΔEN represent?

Answer 4

The difference in electronegativity between two bonded atoms.

Question 5

What is a dipole?

Answer 5

A molecule with a slightly positive (δ⁺) and slightly negative (δ⁻) region due to uneven electron sharing.

Question 6

What does δ⁺ mean?

Answer 6

Slightly positive charge.

Question 7

What does δ⁻ mean?

Answer 7

Slightly negative charge.