Question

The electronic configuration of an atom is 2,8,1. Which of the following is chemically similar to this? *​

Answer 1

Answer:

It is similar to Sodium

Explanation:

Answer 2

The given atom is chemically similar to Lithium (Li).

• According, to the electronic configuration given in the question, the element is sodium which has 11 electrons in the arrangement of 2,8,1.
• Now, the Lithium is the chemically most similar element to the sodium.
• Because, the sodium and lithium share two consecutive places in the same group of the modern periodic table. And, we all know that elements of same group have similar chemical characteristics.