Question

1.2 Fill in the blanks

1. Mass percentage of copper in cupric oxide will be_______.
2. Meter is the _____unit of Measurement of length.

3. Scientist______is know as the father of chemistry

4. The word Atom was first used by _____

5. The formula which represent the simplest ratio of elements in a compound is called_____​

Answer 1

Answer:

k

Explanation:

k