Question

Aluminum (Al) has an atomic number of 13 and an atomic mass of 27. Which of the following correctly shows the electron arrangement for aluminum?

2, 8, 3
2, 8, 1
2, 11
2, 8, 17

Answer 1

The first option, (2, 8, 3)

Step-by-step explanation:

The element with the Electron Configuration (2,8,3) is Aluminum as it has the atomic number 13. It is placed in Group 13 of the Periodic Table along with Boron, Gallium, Indium, and Thallium.