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05-11-2020
Chemistry

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HELP ME PLEASE 8th Grade Science PLEASE SOMEONE REALLY SMART THANK YOU
What is the mass of an atom with seven protons, seven neutrons, and eight electrons?
EXPLAIN:

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fred622 fred622

05-11-2020

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joey171 joey171

10-11-2020

Mass= 17
To find the mass number add the number of protons and neutrons together.
Mass number: 7protons + 7 neutron=14

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