Which of the following elements are called main group elements?
a) group A
b) Group B
c) both a and b
d) none of these
Which of the following elements are called transition elements?
a) group A
b) Group B
c) both a and b
d) none of these
First 18 elements present in which of the following group/s?
a) group A
b) Group B
c) both a and b
d) none of these
What is the common name of elements present in group IA?
a) the alkali metals
b) the alkaline earth metals
c) the halogens
d) the noble gases
What is the
common name of elements present in group IIA?
a) the alkali metals
b) the alkaline earth metals
c) the halogens
d)
the noble gases
What is the
common name of elements present in group VIIA?
a) the alkali metals
b) the alkaline earth metals
c) the halogens
d) the noble gases