Question

What was the purpose of the arrival of the person who held Helen
in her arms?

Answer 1

Explanation:

Home work

Write the electronic configuration of the following elements and mention period. ,block and gruop they belong to

1. Na

2. Al

3.zn

4. Ar

5. Cl

6. Ca

7. Vandium

8.chromium

9.silicon

10. Germanium