Alpha decay (radiation) emits, 2 neutrons and 2 protons (helium nucleus), a high speed electron, an electromagnetic wave, Beta decay (radiation) emits, 2 neutrons and 2 protons (helium nucleus), a high energy electron, an electromagnetic wave, Gamma decay (radiation) emits, 2 neutrons and 2 protons (helium nucleus), a high speed electron, an electromagnetic wave, Alpha particles are stopped by, paper, skin, both of these, Beta particles are stopped by, thin aluminium, skin, paper, thick lead, Gamma particles are stopped by, thin aluminium, skin, paper, thick lead, The most penetrating type of radiation is, Alpha, Beta, Gamma, The most ionising radiation is, Alpha as its the largest particle, Beta as its the smallest particle, Gamma as its a wave, Which type of radiation is most harmful to humans?, Gamma rays, Radio waves, Visible light, Microwaves, What can protect against UV radiation?, Sunscreen, Lead shield, X-ray vest, Sunglasses

Radioactive Decay

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