Answer the following in respect of element 325.
(i) Give its electronic configuration.
(ii) To which group and period does it belong?
(iii) What is its valency?
(iv)it is a metal or non metal
(v)give its formula with hydrogen
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here is your answer:
1. Electronic configuration of P: 2, 8, 5
2. 15th Group and 3rd period.
3. Valency of P = 8 - 5 = 3.
4. Phosphorus is a non-metal.
5. It is non-toxic, highly combustible, nonmetallic, diatomic gas. It is the first element of the periodic table. The molecular formula of Hydrogen is H2.
Properties Of Hydrogen:
Chemical formula H2
Melting point −259.16 °C
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