Question

Which of the following element is a metal

²³ X OR ¹⁹ Y
¹¹ ⁹

??​

Answer 1

Answer:

Atomic number - 11 is of sodium i.e. metal

Atomic number - 9 is of fluorine i.e non metal.

So 1st one is correct.

Answer 2

Answer:

1st is sodium

2nd is fluorine

there 1st is metal