Question

Please solve these!!!!!​

Answer 1

Answer:

1. 3- is the valency
2. K
3. NH3
4. Carbon
5. NH4SO4
6. Ihope it will help you

Answer 2

Answer:

1 +6

2 K (potassium in Dutch is called kalium)

3 PO43- 

4 Cu,Zn,Pb,Sn

5 (NH4)2SO4

6 ?

7 Ni,Cu,Sn,Fe,O,N

8 He,Ar,Ne etc.

9 Principle of Atom conservation (POAC)

10 Natrium

Q3- 46

Hope it helps