Q. How many periods and groups are present in the periodic table?
A. 7 periods and 18 groups
B. 8 periods and 7 groups
C. 7 periods and 7 groups
D. 8 periods and 8 groups
Answer: 7 periods and 18 groups
We will be happy to hear your thoughts
A. 7 periods and 18 groups
B. 8 periods and 7 groups
C. 7 periods and 7 groups
D. 8 periods and 8 groups
Answer: 7 periods and 18 groups