Atomic/Mass Number Ions

Front

How is an anion formed?

Back

By gaining electrons.

Front

Which element has an atomic number of 1?

Back

Hydrogen.

Front

If an atom has a charge of 0 (neutral) and an atomic number of 8, it should have ____ electrons.

Back

8.

Front

If an atom has an expected atomic mass of 12, and it has 6 protons and 6 neutrons, it is a ____________.

Back

Normal Atom.

Front

Atoms of the same element that have different mass than expected because they have a different number of neutrons are called ____________.

Back

Isotope.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom.

Front

What is a cation?

Back

A positively charged ion formed by losing electrons.

Front

What is the difference between atomic mass and atomic number?

Back

Atomic mass is the weighted average mass of an atom's isotopes, while atomic number is the number of protons in the nucleus.

Front

What is a neutral atom?

Back

An atom with an equal number of protons and electrons.

Front

What defines an isotope?

Back

Isotopes are atoms of the same element with different numbers of neutrons.