Atoms, Ions, & Isotopes

Front

If an atom has more electrons than protons, it is _____

Back

a negative ion

Front

If an atom has an equal number of protons and electrons, it is _____

Back

a neutral atom

Front

A positive ion is called _______

Back

a cation

Front

Can an atom of Hydrogen have 2 protons?

Back

No, because protons identify the atom

Front

If an atom loses an electron, it is _____

Back

A positive ion

Front

What is an atom?

Back

The basic unit of a chemical element, consisting of protons, neutrons, and electrons.

Front

What is an ion?

Back

An atom or molecule that has a net electric charge due to the loss or gain of one or more electrons.

Front

What is an isotope?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.

Front

What is a cation?

Back

A positively charged ion, formed when an atom loses one or more electrons.

Front

What is an anion?

Back

A negatively charged ion, formed when an atom gains one or more electrons.