Chemical Formula

Question 1

to write the chemical formula use:

Answer 1

S, V, S, D , F (symbol, valency, swap, divide, formula)

Question 2

Names of compounds prefixes with number of atoms

Answer 2

Mono- : 1
Di- : 2
Tri- : 3
Tetra- : 4
Penta- : 5
Hexa- :6

Question 3

names of compounds ending with number of elements

Answer 3

-ide : two
-ite : three( one being oxygen)
- ate : three (one being oxygen)

Question 4

Valency

Answer 4

Group number: Valency:
1 1
2 2
3 3
4 4
5 3
6 2
7 1
8 0

Question 5

Roman numerals valency

Answer 5

I = one
II= two
III= three
IV= Four
V= five
VI= six