Question

PERIODIC
CHEMISTRY - VII
AS
GOAL - 1
d) K
I. MCQ with one correct answer :
1.
Elements belonging to same group of periodic table have generally the same
a) Electronic configuration
b) Number of electrons in outer
c) Chemical properties
d) Physical properties
Among the following, the element with greater value of screening effect is
a) Li
b) Na
c) Cs
According to modern periodic law, the physical and chemical properties of the el
functions of their
a) Group number
b) Period number
c) Mass number
d) Electronic configuration
The
group number of element in periodic table indicates:
a) Valency with respect to hydrogen
b) The atomicity
c) The number of electrons in the outermost shell​

Answer 1

Answer:

1. (b) 2. (c) 3. (d) 4. (c)