Question

The Modern Periodic Table has _______ groups and______ periods?

• A. 18,6
• B. 18,7
• C. 17,8
• D. 18,5

Answer 1

Answer:

B. 18,7

• The modern periodic table has 18 groups and 7 periods.

• Groups are vertical columns.

• Periods are horizontal rows.

• Modern periodic table is classified as:

• i.s-block

• ii.p-block

• iii.d-block

• iv. f-block.