Chp. 2.2 Atoms

A sodium ion has 11 protons, how many electrons does a Na- ion have?

A Na- ion has 11 electrons.

What is an ion?

An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.

What is an isotope?

Atoms of the same element that have different numbers of neutrons.

Carbon has 6 protons. How many protons, electrons, and neutrons does Carbon 14 have?

Carbon 14 has 6 protons, 6 electrons and 8 neutrons

Which sub-atomic particle is responsible for atoms bonding?

Electrons are responsible for atoms bonding.

Which sub-atomic particles are "heavy" and which are "light"? (proton, electron, or neutron)

Protons and Neutrons are heavy and electrons are light and hardly have any mass.

What sub-atomic particles responsible for determining the atomic mass?

Protons and Neutrons are responsible for determining the atomic mass.

What sub-atomic parts go in the center of the atom?

Protons and Neutrons go in the center of the atom.

Which sub-atomic particle determines the element of the atom?

Protons determine the element of the atom.

What is the center of the atom called?

The center of the atom is called a nucleus.