Atomic Structure

Question 1

Anion

Answer 1

A negatively charged ion

Question 2

Atom

Answer 2

The smallest particle of an element that retains the properties of that element

Question 3

Atomic number

Answer 3

The number of protons in the nucleus of an atom

Question 4

Cation

Answer 4

A positively charged ion

Question 5

Electron

Answer 5

A subatomic particle with the charge of -1 and a mass of 1/1836

Question 6

Electronic configuration

Answer 6

The way the electrons are arranged into shells in an atom

Question 7

Element

Answer 7

A substance made up of atoms that all have the same atomic number

Question 8

Ion

Answer 8

An electronically charged atom or group of atoms

Question 9

Isotopes

Answer 9

Atoms of the same element that have the same atomic number but different mass number

Question 10

Mass number

Answer 10

The number of protons plus the number of neutrons in the nucleus of an atom

Question 11

Neutron

Answer 11

A subatomic particle with a charge of 0 and a mass of 1

Question 12

Proton

Answer 12

A subatomic particle with a charge of +1 and a mass of 1

Question 13

Relative atomic mass

Answer 13

The weighted mean mass of an atom relative to one twelfth the mass of a atom of carbon-12