Question

By the time of Robert Boyle ………….. elements were known

Answer 1

Explanation:

Elements (Robert Boyle)

The Greek concept of elements was popular for almost 2200 years and was the guiding force behind the alchemists' search for ways to turn cheap metals such as lead into gold. In 1661 the English scientist Robert Boyle raised an important objection to this model.

Answer 2

Answer:

by the time of Robert Boyle 13 element a