Physics, asked by boomi15, 1 year ago

an atom has 7 protons 7 neutrons and 7 electrons atom B has 9 protons 9 electrons and 10 neutrons identify the atomic numbers and names of a and b

Answers

Answered by harshitasharma90
2
no. of protons=atomic number
a atomic no. is 7 and it is nitrogen
b atomic no. is 9 and it is florine
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