2 lecture Flashcards by David Jackson

Q

Oxygen

A

water, air, food

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Q

Carbon

A

food

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Q

Hydrogen

A

water, food

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Q

Nitrogen

A

food

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Q

Mass number

A

the sum of the mass of protons and neutrons

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Q

1 dalton

A

= 1 atomic mass unit ≈ the mass of one proton or one neutron

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