Question

question 22 (1 point) what is the electron arrangement for the first element in the periodic table? (1) (2, 1) (2) (2, 2)

Explanation:

Step1: Identify the first element

The first element in the periodic - table is hydrogen.

Step2: Determine electron number

Hydrogen has 1 electron.

Step3: Write electron - arrangement

The electron - arrangement for an element with 1 electron is (1).

Answer:

(1)