Molecules and Formula

Question 1

What are covalent bonds?

Answer 1

When electrons are shared between atoms

Question 2

What are ionic bonds?

Answer 2

the transfer of electrons between atoms

Question 3

Give 3 examples of covalent bonds?

Answer 3

Hydrochloric acid
Oxygen
Water

Question 4

Give 2 examples of ionic bonds?

Answer 4

Sodium Chloride (NaCl)
Magnesium Oxide (MgO)

Question 5

What is an ion?

Answer 5

A charged atom

Question 6

When atoms lose electrons, do they have a positive or negative charge?

Answer 6

Positive

Question 7

When atoms gain electrons, do they have a positive or negative charge?

Answer 7

Negative