Chemistry Of Matter

Protons are:

• Positive

• Neutral

• Negative

Neutrons are:

• Positive

• Neutral

• Negative

Electrons are:

• Positive

• Neutral

• Negative

What particles are atoms made of? (Check ALL that apply:)

• Protons

• Neutrons

• Electrons

• Nucleus

Compounds are made up of two or more atoms physically combined.

• True
• False

Is water an element or a compound?

• Element
• Compound

Water (H₂O) freezing is an example of:

• A chemical change
• A physical change

A chemical change always results in the formation of a:

• explosion
• big mess
• new substance
• new state of matter

Is salt (NaCI) a compound or a element

• Compound
• element

The pH scale is a range from:

• 1-7
• 0-14
• 1-14
• 1-20