1. Tardigrade
  2. Question
  3. Chemistry
  4. An atom of an element has electronic configuration 2,8,1 . Which of the following statement is correct?

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Q. An atom of an element has electronic configuration $2,8,1 .$ Which of the following statement is correct?

Classification of Elements and Periodicity in Properties

Solution:

Electronic configuration indicates that $1 e ^{-}$ is presen in outermost shell.

It will easily lose electrons

$\therefore $ It is metal and form basic oxide

$2 Na +\frac{1}{2} O _{2} \rightarrow Na _{2} O$