J3oeazaxomednn J3oeazaxomednn

27-09-2016
Mathematics

Answered

How many protons are in an element with an atomic number of 8 and a mass number of 18?

A8
B10
C18
D3

Verified Answer :

27-09-2016

a)8,atomic number also means proton number

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thubelihleshozi thubelihleshozi

27-09-2016

Since the atomic number is 8 that will be the number of protons given that the element is a neutral element meaning that the number of protons and electrons are the same. Therefore the answer is 8

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