What are Columns in Periodic table called?A. Period
B. Group
C. Verticals
D. Perpendiculars
B. Group
C. Verticals
D. Perpendiculars
A. longest day
B. longest night
C. smallest day
D. none of these
A. 63
B. 12
C. 19
D. 13
A. longest night
B. longest day
C. smallest night
D. smallest day
A. 15
B. 12
C. 27
D. 45
A. 7
B. 13
C. 27
D. 62
A. Color blindness
B. Depression
C. Hypertension
D. Inability to sleep
A. 2
B. 3
C. 4
D. 5