the nucleus consists of 9 protons and 10 neutrons. what should be its atomic weight and electrochemical nature?
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Atomic mass = 9+10 = 19
and Electrochemical nature - It is a non-metal
And Its name is flourine
and Electrochemical nature - It is a non-metal
And Its name is flourine
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its atomic weight is 9+10 =19
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