True or false, freezing point is a chemical property?

• True
• False

Covalent bonds involve the sharing of electrons, true or false?

• True
• False

How many significant figures in 0.0425?

• 1
• 2
• 3
• 4

In order to form N₂, the two atoms will form a double bond.

• True
• False

Lewis structures, like the one for chlorine below, show the valence electrons available.

• True
• False

What shape is this molecule?

• Linear
• Bent
• Trigonal pyramidal
• Tetragonal

How many energy levels (periods) are there?

• 1
• 4
• 7
• 18

What element is this?

• Boron
• Carbon
• Argon
• Oxygen

Which of the following are halogens?

• Bromine
• Fluorine
• Chlorine
• All of the above

What is the formula mass of barium nitrate, Ba(NO₃)₂?

• 151.7g
• 261.3g
• 219.3g
• 342.1g