stephanie200746 stephanie200746

18-10-2020
Chemistry

contestada

Please can I have help on (I) as I’m so stuck and confused

Please can I have help on I as Im so stuck and confused class=

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SerissSkyee3 SerissSkyee3

18-10-2020

Hey :)

I’m sure it’s 7

Because the mass number of any element is the number of protons and neutrons

Hope this helps :)

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