Question

an element having electronic configuration 284 what is it​

Answer 1

Answer:

The element is Silicon

Atomic number is 14

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Answer 2

Answer: silicon

Explanation:

Metals have lower electronegativities and non-metals have high electronegativities .An element whose electronic configuration is 2,8,4 has electronegativity in between metal and non-metal . So will be classified as metalloid.