Chemistry Review

Front

What charge does an electron have?

Back

Negative

Front

What is a valence electron?

Back

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

Front

In a chemical equation, what are the elements on the left side called?

Back

Reactants

Front

Where are protons located in an atom?

Back

In the nucleus.

Front

What are the particles in the nucleus of an atom?

Back

Protons and neutrons.

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.