Inside the atom

Question 1

Definition of fundamental particles

Answer 1

Particles that can no longer be divided

Question 2

An example of fundamental particles

Answer 2

Leptons
(Electrons, muons)

Question 3

Charge of each particle relative to protons

Answer 3

Electron: -1
Proton: +1
Neutron 0

Question 4

Mass of electron particle (kg)

Answer 4

Electron: 9.11 x 10 ^-31

Question 5

Mass of each particle relative to protons

Answer 5

Electron: 0.0005
Proton: 1.0000
Neutron: 1.0004

Question 6

Charge of each particle (C)

Answer 6

Electron: -1.60 x 10 ^-19
Proton: +1.60 x 10 ^-19
Neutron: 0

Question 7

Definition of a nuclide

Answer 7

Atomic nucleus specified by its atomic number and atomic mass

Question 8

Definition of a nucleon

Answer 8

Either a proton or neutron (found in nucleus)

Question 9

Why are electrons fundamental particles

Answer 9

Electrons have no internal structure and therefore cannot be divided.

Question 10

How do you find the number of nucleons?

Answer 10

Number of protons
+
Number of neutrons

Question 11

What is another name for the nucleon number?

Answer 11

Atomic mass

Question 12

What is another name for the proton number?

Answer 12

Atomic number

Question 13

Where is the proton number?

Answer 13

Below the chemical symbol

Question 14

Where is the nucleon number seen?

Answer 14

Above the chemical symbol

Question 15

Mass of proton particle (kg)

Answer 15

Proton: 1.6726 x 10 ^-27