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What is the atomic number of an atom with 83 p and 128 n?

micro

wrote...

Posts: 170

Rep:

11 years ago

What is the atomic number of an atom with 83 p and 128 n?

What is the atomic number of an atom with 83 p and 128 n?

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4 Replies

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Replies

micro01

wrote...

#1

11 years ago

83

smokeypal23

wrote...

#2

11 years ago

easy!

atomic number is the # of protons.

83

junder89

wrote...

#3

11 years ago

its 83 since the atomic number is the number of electrons it has and there is the same number of protons and electrons in a atom. so since there is 83 protons it means there is 83 electrons. which makes the atomic number 83.

Hope this helps!

smmrwds

wrote...

#4

11 years ago

83 -- the amount of protons is the atomic number and the amount of electrons is the same as the amount of protons. When there're more neutrons than protons or electrons it's called an isotope.

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