Question

the atomic number and mass number of an element are 16 and 32 respectively find the number of proton electron and neutron in its state the valency is this element a metal or nonmetal justify your answer

Answer 1

this element is sulphur . The no. of proton and electron is 16 . it's valency is -2. It is non-metal because it has 6 valence electrons not 1,2,3or4.

Answer 2

Answer:

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No. of protons = Atomic number =16

No. of electrons = Atomic number =16

No. of neutrons = Mass number – Atomic number = 32-16 = 16

Electronic configuration of the element = 2, 8, 6

Valency of the element = (8 – 6) = 2

The element is a non – metal since it tends to gain electrons and not lose electrons.