Question

39. How many elements are present
in the long period of Modern Periodic
Table?
O A. 32
O B. 18
O C. 20
O 0.8​

Answer 1

118

Periods. There are currently seven complete periods in the periodic table, comprising the 118 known elements.

Answer 2

Explanation:

There are currently seven complete periods in the periodic table, comprising the 118 known elements.