Tri 2 Final Exam Review '21-'22

Jack has a rock. The rock has a mass of 14 g and a volume of 2 cm³. What is the density of the rock?

• 7 mL
• 7 g/cm³
• 28 g/cm³
• 1/7 g/cm³

Frank has an eraser. It has a mass of 4 g, and a volume of 2 cm³. What is its density?

• 8 g/cm³
• 2 g/cm³
• 1/2 g/cm³
• 24 g/cm³

Consider the following data:

Cu - blue, green, teal

Na - yellow-orange

K - yellow, orange, pink/lavender

Li - red, light red

Sr - deep red

If the unknown color was yellow-orange, which element is most likely the unknown?

• Cu

• Na

• K

• Li

Consider the following data:

Cu - blue, green, teal

Na - yellow-orange

K - yellow, orange, pink/lavender

Li - red, light red

Sr - deep red

If the unknown color was yellow,orange with some pink, which element is most likely the unknown?

• Cu

• Na

• K

• Li

How many electrons are in the outer (valence) shell of Chlorine (Cl)?

• 1
• 3
• 6
• 7

What is the correct Lewis Dot Structure for ammonia NH3

• 
• 
• 
• 

In which region(s) of the graph would the substance be melting?

• No melting occurs on this graph

• Region C-E

• Region E-G

• Region G-I

• Region I-K

Describe the substance between letters C and D. 

• Gas
• Liquid
• Melting
• Evaporating

As you move down the periodic table atoms get bigger.  This is because ____________.

• The atoms have more mass.
• The atoms have more protons.
• The atoms have more energy levels
• The atoms have more nuetrons

Atomic radius generally increases as we move __________.  

• down a group and from right to left across a period 
• up a group and from left to right across a period 
• down a group and from left to right across a period 
• up a group and from right to left across a period