Ions and Isotopes

Front

A negatively charged atom (more electrons than protons) is called a __________.

Back

Anion

Front

When the valence shell of an atom is full, the atom is chemically _____________.

Back

Stable

Front

The electrons found in the outermost shell are called _____________ electrons.

Back

Valence

Front

Atoms become ___________ when their outer energy shell (valence shell) is full.

Back

Stable

Front

____________ bonds form when they share electrons.

Back

Covalent

Front

A positively charged atom (more protons than electrons) is called a __________.

Back

Cation

Front

The number of protons in an atom determines its __________.

Back

Element identity

Front

Atoms of the same element with different numbers of neutrons are called __________.

Back

Isotopes

Front

The atomic number of an element is equal to the number of __________ in its nucleus.

Back

Protons

Front

The mass number of an atom is the sum of its __________ and __________.

Back

Protons and Neutrons