Question

If 19 is the atomic number of an element then this element will be *

O 1) A metal with +3 oxidation state

2) A metal with +1 oxidation state

3) An inert gas

4) A metal with -3 oxidation state​

Answer 1

If 19 is the atomic number of an element then this element will be *

the element is phosphorus . it's electronic configuration is 2,8,8,1.

so the option is correct

2) A metal with +1 oxidation state

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