Chemistry Review

Front

In a chemical equation, the elements that are present before the reaction occurs are called what?

Back

Reactants

Front

What is the basic unit of matter?

Back

Atom

Front

How many electrons does a Boron atom contain?

Back

5

Front

What forms when valence electrons are transferred from one atom to another?

Back

Ionic bond

Front

What is a valence electron?

Back

An electron that is found in the outermost orbital of an atom.

Front

What are the substances produced in a chemical reaction called?

Back

Products

Front

What is the term for a substance made of two or more different types of atoms bonded together?

Back

Compound

Front

What is the smallest particle of an element that retains the properties of that element?

Back

Atom

Front

What type of bond involves the sharing of valence electrons between atoms?

Back

Covalent bond

Front

What is the charge of a proton?

Back

Positive