Question

E. Tick (V) the most appropriate answer. 1. The symbol for the sodium metal is :
(a) So (b) Si (c) Na (d) Sm
2. The liquid metal at room temperature is :
(a) sodium (b) mercury (c) magnesium (d) calcium
3. The formula for one molecule of phosphorus is :
(a) P (b) P2 (c) P4 (d) P8
4. The process of breaking down of a compound into elements is called : (a) synthesis (b) symbiosis (c) analysis (d) decombination
5. The symbolic representation of the molecule of a chemical compound is :
(a) formula (b) symbol (c) reactant
(d) product​

Answer 1

Answer:

1. c) Na

2. b) mercury

3. c) P4

4. d) decombination ( not sure)

5. a) formula

Answer 2

Answer:

(1)c (Na)

(2)b (Mercury)

(3)c (P4)

(4)c (Analysis)

(5)a (Formula)