Atomic

Question 1

Nucleus

Answer 1

• Central part of atom
• Protons and Neutrons
• Called Nucleons
• Bound by the strong nuclear force

Question 2

Electrons

Answer 2

Almost massless particles which orbit the nucleus shells

Question 3

Gamma emission

Answer 3

No change to mass number or atomic number, they only emit energy

Question 4

Half life definition

Answer 4

• The time taken for half the nuclei present in any given sample to decay
• Some nuclei are more stable than others
• Do not forget to factor background radition

Question 5

Safety precautions with radioactive materials

Answer 5

• To be stored in lead containers
• Do not pick up with bare hands
• Keep away from people
• Expose it for as little time as possible during experimentation

Question 6

what are the other types of radiation

Answer 6

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