nuclear

Question 1

what is radioactivity

Answer 1

spontaneous emission of radioactive particles from an unstable nucleus

Question 2

how does emission help unstable nucleus

Answer 2

by emitting energy to become more stable

Question 3

what is
alpha particles
beta particles
gamma ray

Answer 3

helium nuclei
high energy electrons
high energy photons

Question 4

study table rn bro

Answer 4

ok lil bro

Question 5

what is radioactive decay

Answer 5

emitting nuclear radiation

Question 6

name of nucleus before decay and after decay

Answer 6

parent
daughter

Question 7

what is series decay

Answer 7

when the particle undergoes a series radioactive decay

Question 8

what is half life

Answer 8

time taken for activity of a source of radiation to be reduced to half its original value

Question 9

uses of gm detector

Answer 9

knowing range of radiation in air
determine absorption radiation and penetrating power

Question 10

3 medical uses of radioactive isotopes

Answer 10

all by gamma rays cause alpha or beta particles can be absorbed into the body and have a strong ionizing effect
1 sterilizing
2 killing cancer cells
3 checking blood circ

Question 11

5 uses of radioactive isotopes in industry

Answer 11

test for thickness
smoke detectors
determaining age of an object vy (carbon dating)
level checking
detecting leakage in pipes