SNC 2P Exam Review

How many protons does phosphorus have?

• 31

• 15

• 16

• 3

What is the ionic charge of oxygen?

• 3-

• 2-

• 1-

• 2+

Which of the following is true of 2NaHCO₃?

• there are 5 atoms of oxygen

• there are 6 atoms of oxygen

• there are 3 atoms of oxygen

• there are 2 atoms of oxygen

An ionic bond would most likely form between atoms of chlorine and

• magnesium

• chlorine

• sulfure

• oxygen

A reaction between an acid and a base will form

• a salt and carbon dioxide

• a salt and water

• carbon dioxide and water

• a neutral substance and an antacid

If you had an acidic substance, which of the following substances would you add to neutralize it?

• substance with pH of 9

• substance with a pH of 3

• substance with a pH of 7

• water

What is the pH of a neutral substance?

• 14

• 1

• 7

• 5

What type of reaction is this?

acid + base --> salt + water

• double displacement

• single displacement

• neutralization

• synthesis

What type of reaction is this?

fuel + oxygen --> carbon dioxide + water

• single displacement

• combustion

• double displacement

• neutralization

What type of reaction is this?

hydrogen peroxide --> water + oxygen

• synthesis

• decomposition

• single displacement

• double displacement

• combustion