Pre-test
active
what is the chemical formula of a compound that is composed of the ions ca** and br"?
cabr
cabr2
ca3br
o capbr2

Icant see the pictures 

4- c, because all matter stays the same no matter what. it is still there. 5- b, because matter is known as mass. 6-c because, flammability is a chemical property. malleability is changing the shape of an object.

Answeramino acids;