Question

Answer this guys ! Best answers will be marked as brainliest .

Kindly help me with my assignment
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Answer 1

number of neutrons = 18 19 20

number of protons = 17 17 17

number of electrons= 17 17 17

elements shows same mass number with different atomic number

24

115g

6.023×10^23

hope it will help you army! have a nice day!