atomic structure Flashcards by Bayliss Flynn | Brainscape

Q

what is a atom made up of

A

subatomic partitcles

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Q

what is the relaltive mass of a proton

A

1

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Q

what is the relative mass of a neutron

A

1

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Q

what is the relative mass of an electron

A

0.0005

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Q

what is the relative charge of a proton

A

+1

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Q

what is the relaltive charge of a neutron

A

0

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Q

what is the relative charge of an electron

A

-1

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Q

what does the nucleus contain

A

protons and electrons

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Q

what charge does the nucleus have

A

posative because of the protons

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Q

what does number of electrons equal

A

number of protons

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Q

if some electrons are added or removed what happens to the atom

A

is becomes an ion with a charge

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Q

what does the atomic number tell you

A

how many protons there are

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Q

what does the mass number tell you

A

how many protons and neutrons there are

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Q

how do you work out number of neutrons

A

subtract atomic number from the mass number

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