Which of the following group contains alkali metals?
a) IA
b) IIA
c) IIIA
d) IVA
Which of the following elements is not an alkali metal?
a) Li
b) Na
c) K
d) Mg
An element has three electrons in its outermost shell. In which group of the periodic table it is likely to be found?
a) group IA
b) group IIA
c) group IIIA
d) group 0
Which one of the following is metalloid?
a) gold
b) sulphur
c) iron
d) silicon
Lithium is in the same group as……..
a) magnesium
b) sodium
c) calcium
d) carbon
Which of the following is halogen?
a) magnesium
b) sodium
c) helium
d) fluorine
