Chapter 4: Molecular Structures- REVIEW

Front

What are isotopes?

Back

Atoms of the same element that have different masses.

Front

What are inert (noble) gases?

Back

Group 18 elements that do not chemically react with any other element.

Front

What is the area where electrons are likely to be found called?

Back

Electron cloud.

Front

What is the Periodic Table of Elements?

Back

A chart that contains all known elements, their properties, and symbols.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What is a molecule?

Back

A group of atoms bonded together.

Front

What are the three main subatomic particles?

Back

Protons, neutrons, and electrons.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.