ATOMS, IONS, AND ISOTOPES

Front

What charge does an atom have when it GAINS electrons?

Back

Negative

Front

How many neutrons does a bromine atom have if its atomic mass is 80 and its atomic number is 35?

Back

45

Front

What type of atom is formed when an atom has a different number of neutrons than protons?

Back

Isotope

Front

What happens to an atom when it LOSES electrons?

Back

It becomes a positively charged ion (cation).

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is an ion?

Back

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

Front

What is a cation?

Back

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

Front

What is an anion?

Back

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

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.

Front

What is the difference between an isotope and a regular atom?

Back

Isotopes have the same number of protons but different numbers of neutrons.