Match the columns : Column I Horizontal rows

Question

Match the columns

	Column I		Column II
i	Horizontal rows	a	Groups
ii	Vertical columns	b	Periods
iii	Two additional rows	c	Lanthanides and actinides
iv	Modern periodic table	d	Long form of periodic table

Answer 1

i	Horizontal rows	b	Periods
ii	Vertical columns	a	groups
iii	Two additional rows	c	Long form of periodic Table
iv	Modern periodic table	d	Lanthanides and actinides

Answer 2

(i – b), 

(ii – a), 

(iii – c), 

(iv – d)