Atomic Structure, Atomic Models & Isotopes

Front

What determines the identity of an atom?

Back

Protons determine the identity of an atom.

Front

What is the atomic number of an atom with 2 protons?

Back

The atomic number is 2.

Front

Which symbol changes between isotopes of the same element?

Back

The Z symbol changes between isotopes.

Front

What type of electrons are found in the outermost shell?

Back

Valence Electrons are found in the outermost shell.

Front

How many electrons does an atom with atomic number 118 have?

Back

An atom with atomic number 118 has 118 electrons.

Front

What is an isotope?

Back

An isotope is a variant of a chemical element that has the same number of protons but a different number of neutrons.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in an atom's nucleus.

Front

What is the charge of a proton?

Back

A proton has a positive charge.

Front

What is the charge of a neutron?

Back

A neutron has no charge (neutral).

Front

What is the charge of an electron?

Back

An electron has a negative charge.