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An element has protons whose mass is equ...

An element has protons whose mass is equal to `23,881`, times that of an electron. Identify the element and write its electronic configuration.

Text Solution

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Mass of proton is `1837`- times than that of an electron.
Number of protons `=(23,881)/(1837)=13`
Atomic number of the element is 13.
So, the element is aluminium and its electronic configuration `2,8,3`.
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