Question

. AN ELEMENT P HAS ATOMIC NUMBER 19 AND NUMBER OF NEUTRON IS 20. ANSWER THE FOLLOWING ABOUT THE ELEMENT. 1. ATOMIC MASS OF THE ELEMENT 2. ELECTRONIC CONFIGURATION OF THE ELMENT 3. STATE WHETHER THE ELEMENT IS METAL OR NON METAL. 4. VALENCY OF THE ELEMENT 5. COMPOUND OF ELEMENT WITH OXYGEN & HYDROGEN.

Answer 1

Answer:

amn 19

mass no. 20

Explanation:

Answer 2

Answer:

element=potassium

1.ATOMIC MASS OF THE ELEMENT=39.0983 u

2.ELECTRONIC CONFIGURATION OF THE ELMENT=[Ar] 4s¹

3.STATE WHETHER THE ELEMENT IS METAL OR NON METAL=Potassium is a soft, silvery metal

4.VALENCY OF THE ELEMENT=1

5.COMPOUND OF ELEMENT WITH OXYGEN & HYDROGEN.=Potassium oxide (oxygen) CID 5462222 (Potassium) CID 783 (Hydrogen)

Explanation: