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MA_775_DIABLO [31]
3 years ago
14

Construct an isotope has 17 protons 20 neutrons and 18 electrons

Chemistry
1 answer:
ASHA 777 [7]3 years ago
4 0
Add proton + neutrons = Mass 37

Proton is same as your atomic mass= 17

If you go on the periodic table look up 17 and it will give u the letter.
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