When a substance goes through a physical change, the substance itself is ________ changed.

• always

• NOT

• sometimes

• expotentionally

A chemical change is a change in which one or more ______ substances are formed.

• new

• old

• same

• identical

A burning wick on a candle goes through a chemical change.

• True

• False

A ______________ property is something that describes an individual object or substance.

• chemical

• physical

• property

• reactive

A ________ property is something that describes the ability of a substance to react with other materials and form new ones.

• physical

• chemical

• reactive

• stability

What is released when sodium comes in contact with water?

• air

• water

• heat

• ice

Sodium combines with chlorine to form ____________.

• salt

• pepper

• sugar

• neon gas

Which element is more reactive? Chlorine or Neon?

• Chlorine

• Neon

Which element is more stable? Chlorine or Neon?

• Chlorine

• Neon

Stability is the opposite of ___________.

• stability

• reactivity

• decomposition

• synthesis