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TOPIC 11 - Radiation Friend or Foe? (Nuclear Chemistry)

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Total cards: 24•Content version: v3•Public deck•Updated: 8/1/2026

Card preview (24)

#1
Front (Question)

what nuclei were created in the moments following the big bang

Back (Answer)

hydrogen and helium

#2
Front (Question)

the nucleus of one element can fuse with one of another element when exposed to _________ and ___________ creating __________

Back (Answer)

high heat and pressure creating the nucleus of a heavier element

#3
Front (Question)

when nuclear fusion happens what is emitted

Back (Answer)

huge amounts of energy are released in the form of heat, light and cosmic radiation/rays.

#4
Front (Question)

the higher the temperature and pressure the _________ the ________.

Back (Answer)

heavier the element.

#5
Front (Question)

the energy produced by supernovae produces nuclei heavier than

Back (Answer)

iron

#6
Front (Question)

some isotopes are naturally unstable and changes in the nucleus allow

Back (Answer)

the atom to become more stable

#7
Front (Question)

unstable atoms are described as

Back (Answer)

radioisotopes

#8
Front (Question)

radioisotopes are described as

Back (Answer)

unstable atoms

#9
Front (Question)

types of radiation

Back (Answer)

alpha, beta, gamma

#10
Front (Question)

mass of alpha particles are

Back (Answer)

a helium nucleus (2protons, 2neutrons) 4amu

#11
Front (Question)

alpha particles are stopped by

Back (Answer)

a few cm of air or a sheet of paper

#12
Front (Question)

mass of beta particles are

Back (Answer)

a fast moving electron (e-1) 0amu

#13
Front (Question)

beta particles are stopped by

Back (Answer)

a few cm/sheet of aluminium

#14
Front (Question)

gamma particles are stopped by

Back (Answer)

several cm of lead or a few metres of concrete

#15
Front (Question)

mass of gamma particles are

Back (Answer)

high energy EM wave 0 amu

#16
Front (Question)

nuclide notation of alpha

Back (Answer)

⁴₂He

#17
Front (Question)

nuclide notation of beta

Back (Answer)

⁰₋₁ e⁻

#18
Front (Question)

when a radioisotope undergoes alpha decay it (numbers)

Back (Answer)

loses 4 from atomic and loses 2 from charge/atomic

#19
Front (Question)

when a radioisotope undergoes beta decay it (numbers)

Back (Answer)

gains 1 to charge/atomic

#20
Front (Question)

radiation is measured using a

Back (Answer)

GM tube

#21
Front (Question)

the time for each half-life to undergo is

Back (Answer)

the same

#22
Front (Question)

you cannot measure the age of fossil fuels using carbon dating as

Back (Answer)

they are too old and the carbon would have all decayed by now

#23
Front (Question)

the half-life of the only radioactive naturally occurring isotope of carbon (C14) is

Back (Answer)

5730 years

#24
Front (Question)

carbon dating takes the concentration of

Back (Answer)

C14 in decaying living matter