Question

Write the formulae of the compounds formed from the following sets of elements?

a) Calcium and Fluorine b) Hydrogen and Sulphur c) Nitrogen an Hydrogen​

Answer 1

Answer:

here is your answer ,hope it helps ❣️

Answer 2

1. Calcium and fluorine
Symbol Ca F
Charges +2 1−
Formula CaF
2
​


2. Hydrogen and sulphur
Symbol H S
Charges 1+ 2−
Formula H
2
​
S

3. Nitrogen and hydrogen
Symbol N H
Charges 3− 1+
Formula NH
3
​


4. Carbon and chlorine
Symbol C Cl
Charges 4+ 1−
Formula CCl
4
​


5. Sodium and oxygen
Symbol Na O
Charges 1+ 2−
Formula Na
2
​
O

6. Carbon and oxygen.
Symbol C O
Charges 4+ 2−

C
2
​
O
4
​
i. e.

Formula CO
2
​