the number of groups and periods in the modern periodic table respectively are
Answers
Answered by
2
Answer:
Explanation:
In modern periodic table , there are eighteen vertical columns called groups and seven horizontal rows called periods. However, in mendeleevs periodic table there were six periods and eight groups.
Answered by
0
Answer:
Explanation: In the mordern periodic table there are 18 groups and and 7 periods respectively.
Similar questions