Unit 1 Review (part 1)

Which state of matter has tightly packed molecules?

• solid
• liquid
• gas

Which state of matter has molecules that vibrate the most?

• solid 
• liquid
• gas

What charge does a Proton have?

• Negative
• Positive
• Neutral
• Concentrated

How many Hydrogen (H) atoms are in NH₃O₅

• 3
• 4
• 5
• 1

How many Oxygen (O) atoms are in C₂HO₈Cl₂

• 2
• 12
• 8
• 5

Table salt, NaCl, is made of sodium and chlorine atoms.  Table salt is a/an:

• compound
• element
• proton
• electron

What is this?

• Compound
• Mixture of compounds and elements
• Mixture of compounds
• Mixture of elements

What is this?

• Compound
• Element
• Mixture of compounds

What is this?

• Mixture of compounds
• Mixture of elements
• Compound

When heat is applied to a substance the particles move faster.

• true
• false