Question

B. Fill in the blanks.
1. Pure substances are classified into
and
of an element is the abbreviation of its full name.
2. The
3. Natrium is the Latin name of
4. The symbol of cobalt is
5. The molecular formula of water is​

Answer 1

Answer:

1 Pure substance is classified into elements and compound.

3 Sodium

4 Co

5 H2O

Answer 2

Answer:

Fill in the blanks

1. Pure substances are classified into compound of an element is the abbreviation of its full name.

3. Natrium is the latin name of sodium.

4. The symbol of cobalt is Co

5. The molecular formula of water is H2o