Ions & Isotopes

Front

What is an isotope?

Back

Atoms of the same element that have different numbers of neutrons, resulting in different atomic masses.

Front

How do you determine if an atom is an isotope using the periodic table?

Back

Look at the atomic mass of the atom.

Front

What is the hyphen notation for an isotope?

Back

It is written as 'Element Name-Mass Number', e.g., Yttrium-89.

Front

What forms an ion?

Back

An ion forms when an atom gains or loses electrons.

Front

What is a neutral atom?

Back

An atom with the same number of protons and electrons, resulting in no charge.

Front

What is the difference between an ion and an isotope?

Back

An ion is formed by the gain or loss of electrons, while an isotope has a different number of neutrons.

Front

What is the atomic number?

Back

The number of protons in the nucleus of an atom, which defines the element.

Front

What is the atomic mass?

Back

The weighted average mass of an atom's isotopes, measured in atomic mass units (amu).

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.