Chemistry Final Exam 2023

Beryllium will ____ valence electrons when forming an ionic bond.

• lose 4
• gain 4
• lose 2
• gain 2

In the compound aluminum oxide, which is the cation?

• Al⁺³
• Al
• O^-2
• O

Boron will ____ valence electrons when forming an ionic bond.

• lose three
• gain three
• lose 5
• gain 5

How many electrons are needed in the outer energy levels of an atom to be stable?

• 2
• 4
• 6
• 8

Nitrogen will do what to gain a stable octet?

• Lose 3
• Gain 3
• Lose 1
• Gain 2

Select the correct formula for sulfur hexafluoride.

• S₂F₆

• F₆SO₃

• F₆S₂

• SF₆

What is the ending for the names of all binary compounds, both ionic and molecular?

• -ide

• -ite

• -ade

  
  

• -ate

Which of the following is the correct name for N₂O₅?

• nitrous oxide

• dinitrogen pentoxide

• nitrogen dioxide

• nitrate oxide

Which is the correct name for CaBr₂?

• Calcium Bromine
• Bromine Calcium
• Calcium Bromide

A charged particle that has gained or lost electrons is called a _____.

• molecule
• ion
• isotope
• element