Which of the following statement about the modern periodic table is correct?
(a) It has 18 horizontal rows known as periods.
(b) It has 7 vertical columns known as periods.
(c) It has 18 vertical columns known as groups.
(d) It has 7 horizontal rows known as groups.
Advertisement Remove all ads
Solution
(c) It has 18 vertical columns known as groups.
In the modern periodic table, there are 18 vertical columns known as groups.
Concept: The Modern Periodic Table
Is there an error in this question or solution?
Advertisement Remove all ads
APPEARS IN
Advertisement Remove all ads
Advertisement Remove all ads
