Chemistry 2

Front

What are the properties that best describe nonmetals?

Back

Dull, poor conductors, and brittle.

Front

What is the missing coefficient in the equation: _ H2 + O2 -> 2 H2O?

Back

2

Front

How many atoms of aluminum are on each side of the equation: 4Al + 3O2 -> 2Al2O3?

Back

4

Front

What is the term for the number in front of a compound in a chemical equation?

Back

Coefficient.

Front

Balance the equation: _N2 + _H2 -> _NH3. What is the correct set of coefficients?

Back

1,3,2.

Front

What is a metalloid?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the definition of a chemical reaction?

Back

A process where substances (reactants) are transformed into different substances (products).

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is a reactant in a chemical equation?

Back

A substance that undergoes change during a chemical reaction.

Front

What is a product in a chemical equation?

Back

A substance that is formed as a result of a chemical reaction.