Question

Odd one out giving reason of Sodium,calcium,phosphorus,magnesium.

Answer 1

phosphorus because it is a non-metal

Thank you

Answer 2

Answer:

The answer is phosphorus.

Explanation:

The s block contains these elements such as sodium, calcium, and magnesium, while the p block contains phosphorus.

The configuration of Sodium is $1s^2 2s^22p^6 3s^1$

The configuration of Magnesium is $1s^22s^22p^63s^2$

The configuration of Calcium is  $1s^22s^22p^63s^23p^64s^2$

The configuration of Phosphorus is  $1s^22s^22p^63s^23p^3$

Since the outer electronic structures of Na, Ca, and Mg are similar, their chemical and physical properties are comparable as well. They produce hydrogen gas and metal hydroxide when they react with water, and oxides when they react with oxygen. They're also all metals.

Phosphorous, on the other hand, is a non-metal that belongs to group 15 of the periodic table, right below nitrogen. This element comes in a variety of forms, the most well-known of which are white and red.