Chemical Equations and More!

Front

How many oxygen atoms are present in the formula 4Ca(OH)2?

Back

8

Front

Scientists use a _____________ as an abbreviation for an element name.

Back

Chemical Symbol

Front

A molecule is defined as:

Back

two or more atoms that are held together by chemical bonds and act as a unit.

Front

Which of the following is NOT an example of matter? water, air, cake, sunlight

Back

sunlight

Front

How many E atoms are there in the formula 2E2Fg3Hi4?

Back

4

Front

What is the smallest unit of an element?

Back

Atom

Front

What do we call a substance made of two or more different elements that are chemically bonded?

Back

Compound

Front

What is the law that states that matter cannot be created or destroyed?

Back

Law of Conservation of Mass

Front

What is the term for a combination of two or more substances that are not chemically bonded?

Back

Mixture

Front

What is the chemical formula for water?

Back

H2O