When the equation Al + Br₂ --> AlBr₃ is balanced, the coefficient for Al is

A reaction that has two compounds as reactants and two compounds as products is most likely a:

A number written in front of a chemical formula is called a(n)

The image below represents a:

The image below represents a:

A _____________ change is any change that alters the form or appearance of a substance but does not change it into another substance.

A change in matter that produces one or more new substances is a ________________ change.

In a chemical reaction, the _____________ are always written on the right side of the equation

Bread dough rises from bubbles produced when yeast reacts with sugar. What is the evidence of the chemical change?

Which of the following is NOT a physical property?