What is the name of the horizontal rows in the periodic table?
A
Groups
B
Blocks
C
Periods
D
Families
Correct Answer: Option C — Periods
Explanation:
Periods are the horizontal rows in the periodic table and elements in the same period have the same number of electron shells with propertie...
Periods are the horizontal rows in the periodic table and elements in the same period have the same number of electron shells with properties changing systematically across each period.