Question

plzz give me correct answer .​

Answer 1

Explanation:

this is the answer of your question

Answer 2

Answer:

Aluminium symbol- Al, atomic number is 13 Electronic configuration is 2,8,3

3. symbol - O, electronic configuration - 2,6, no.of shells is 2

4. Magnesium is the element, atomic number is 12, no of shells is 3

5. potassium is the element, symbol is K, atomic number is 19.

6. element is calcium, electronic configuration is 2,8,8,2, no. of shells is 4

7. symbol N, atomic number is 7, no.of shells is 2

8. element is phosphorous, electronic configuration is 2,8,5

9. symbol is He, atomic number is 2, no. of shells is 1

10. element is hydrogen, atomic number is 1,