Atomic Structure

Question 1

Atom-

Answer 1

The smallest unit of an element that maintains the properties of that element

Question 2

Electron-

Answer 2

A subatomic particle that has a negative charge

Question 3

Nucleus-

Answer 3

In physical science, an atoms central region, which is made up of protons and neutrons

Question 4

Proton-

Answer 4

A subatomic particle that has a positive charge

Question 5

Neutron-

Answer 5

A subatomic particle that has no charge

Question 6

Electron cloud-

Answer 6

A region around the nucleus of an atom

Question 7

Atomic number-

Answer 7

The number of protons in the nucleus of an atom

Question 8

Mass number-

Answer 8

The sum of the numbers of protons and neutrons in an atom