Final Review pt. 2

If something is LESS dense than water, what will happen?

• It will sink
• Nothing changes
• It will float

If something is MORE dense than water, what will happen?

• It will sink
• Nothing changes
• It will float

What is the definition of density?

• The amount of stuff contained within an object
• The amount of space that an object takes up
• The amount of stuff per volume of an object
• D = V/m

What is the difference between mass and volume

• Mass is unknowable
• Volume is always the same
• Mass is the "stuff" inside and volume is the "container"
• Volume is the "stuff" inside and mass is the "container"

How do we measure the mass of something

• Using a graduated cylinder
• Using a scale
• Using a balance
• Using a ruler

How do we measure volume of something?

• Using a graduated cylinder
• Using a scale
• Using a balance
• Using a ruler

What are the rows (left to right) on a periodic table called?

• Periods
• Families
• Groups
• Sections

What are the columns (up and down) on a periodic table called?

• Periods
• Groups
• Families
• Sections

The element Oxygen is in group 16. How many valence electrons does it contain?

• 4
• 6
• 14
• 16

The element Flourine is located in the 17th family. How many valence electrons does it have?

• 16
• 17
• 6
• 7