Chemistary C2

What is a proton?
It has a mass of 1 and a relative charge of +1
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What is a neutron?
It has a mass of 1 and it has a relative charge of 0. Its also a neutral particle.
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what is a electon?
Its mass is very small and it has a relative charge of -1
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what is the total number of protons and neutrons called?
This is called a mass number
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can a mass of the same element have different neutrons?
Yes this is because they are isotopes.
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is the relative frmulae of mass of a substance in grams known as one mole of the substance?
yes.
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Other cards in this set

Card 2

Front

What is a neutron?

Back

It has a mass of 1 and it has a relative charge of 0. Its also a neutral particle.

Card 3

Front

what is a electon?

Back

Preview of the front of card 3

Card 4

Front

what is the total number of protons and neutrons called?

Back

Preview of the front of card 4

Card 5

Front

can a mass of the same element have different neutrons?

Back

Preview of the front of card 5
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