3.1.1-Atomic Structure Fundamental Particles

Question 1

What are the three subatomic particles and their relative charge

Answer 1

Proton 1+
Neutron 0
Electron 1-

Question 2

What is the relative mass for an electron?

Answer 2

1/1840

Question 3

What are isotopes?

Answer 3

Particles with the same number of protons and a different number of neutrons

Question 4

The relative mass is 1 for which subatomic particle(s)?

Answer 4

Proton and Neutron

Question 5

Why do isotopes of the same element have the same chemical properties?

Answer 5

They have the same electron configuration.

Question 6

What are particles with the same number of protons and a different number of neutrons called?

Answer 6

Isotopes

Question 7

What is a cation?

Answer 7

An atom that has lost electrons so that there are more protons than electrons.

Question 8

What is an anion?

Answer 8

An atom that has gained electrons so that there are more electrons than protons.

Question 9

What is an atom that has lost electrons so that there are more protons than electrons called.

Answer 9

Cation

Question 10

What is an atom that has gained electrons so that there are more electrons than protons called?

Answer 10

Anion

Question 11

What is ‘mass number’?

Answer 11

The mass number is equal to the number of protons and neutrons combined.

Question 12

What charge does an atom have?

Answer 12

Neutral

Question 13

What is ‘atomic number’?

Answer 13

The atomic number is equal to the number of protons

Question 14

How do you work out the number of neutrons in an atom?

Answer 14

Mass number - Atomic number

Question 15

How many electrons does an Al 3+ ion