Atoms

Question 1

Location charge and mass of protons

Answer 1

Inside neucleus has a positive charge and a mass of + 1

Question 2

Location charge and mass of neutrons

Answer 2

Inside nucleus neutral and mass of 1

Question 3

Location charge and mass of electrons

Answer 3

Orbits neucleus negative charge and mass of -1, 0.0005

Question 4

What is ionisation

Answer 4

When atoms absorb radiation t

Question 5

Alpha absorption ionisation and shielding

Answer 5

Absorbed by paper ionisation has 2 neutrons and 2 protons and can be sheilded by 20cm of air

Question 6

Beta absorption ionisation and shielding

Answer 6

Absorption 3cm of tissue 3mm aluminium

It is electron and can shield few metres of air

Question 7

Gamma absorption ionisation and shielding

Answer 7

Not absorbed electromagnetic waves and 3+ cm of lead

Question 8

What effect of radiation can be used in detector

Answer 8

Blackens film

Question 9

Applications of radiation

Answer 9

Smoke detectors killing cancer and sterilisation

Question 10

Describe an atom

Answer 10

An atom has a central nucleus with protons and neutrons orbited by electrons