x is an element with mass no. 27 . it has 13 electrons .what is the no. of protons and neutrons,what is it's valency.It is a metal or non-metal ?what is it's atomic number?????
plz someone answer.....
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it's proton no. is 13
it's neutron no. is 14
it is a metal
it's valency is 3
it's atomic no. is 13
it's neutron no. is 14
it is a metal
it's valency is 3
it's atomic no. is 13
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