Sassy208 Sassy208

15-09-2022
Chemistry

contestada

I need help with two question below.

I need help with two question below class=

Respuesta :

hopegirmab hopegirmab

15-09-2022

Answer:

1, u-92

2, 237-92=145

Explanation:

the isotopes means the element which have the same number of proton, but different neutron

92 is the atomic number

so the atomic number =proton number

so mass= neutron+ proton

shift the place and u will get this

neutron= mass -proton

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