If an atom has 17 protons and its mass number is 35. State
i. Its electronic configuration.
ii. Number of valence electrons.
iii. The number of neutrons.
iv. Is it a metal or non-metal?
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as per 2,8,8 it has should have 1 valency
2,8,7
this question is for which class
number of neutrons is 35-17=18
non metal chlorine
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