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  • From the elements  <img alt="_{19}^{39}\textrm{A},_{14}^{28}\textrm{B},_{8}^{16}\textrm{C}" src="https://learn.careers360.com/latex-image/?_%7B19%7D%5E%7B39%7D%5Ctextrm%7BA%7D%2C_%7B14%7D%5E%7B28%7D%5Ctextrm%7BB%7D%2C_%7B8%7D%5E%7B16%7D%5Ctextrm%7

From the elements  _{19}^{39}\textrm{A},_{14}^{28}\textrm{B},_{8}^{16}\textrm{C}  and _{18}^{40}\textrm{D}identify :

(a) the most electro positive element.

(b) a noble gas.

(c) a metalloid.

(d) an element which will gain 2 electrons to attain nearest noble gas configuration.

(e) formula of compound formed between A and C.

(f) elements belonging to same period.

 

 

 

 
 
 
 
 

Answers (1)

(a) The most electro positive element is A

(b) A noble gas is D

(c) A metalloid is B

(d) an element which will gain 2 electrons to attain nearest noble gas configuration is  C

(e) formula of compound formed between A and C is  A2C

(f) elements belonging to same period are  B & D

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Safeer PP

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