Question

The atomic number and mass number of elements are 16 and 32 find number of protons electrons and neutrons state its valency is this element metal or nonmetal

Answer 1

Number of protons = 16
Number of electrons = 16
number of neutrons =32-16=16
This element is a non-metal because it has 6 valence electrons and hence it belongs to group 16

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.