atomic number and mass number Flashcards

1
Q

what is an atomic number

A

is the number of protons found in the nucleus atom

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2
Q

in an atom the number of electrons is the same as the

A

number of protons

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3
Q

why are atoms neutral

A

because the number of protons is the same as the number of electrons

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4
Q

what is the mass number of an atom?

A

is the protons plus the neutrons

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5
Q

how do u find how much neutrons are present in an atom

A

mas no-p

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