Question

2. With reference to the long form of the periodic table, fill in the blank spaces with appropriate words:
(a) The chemical properties of elements are the periodic function of their atomic number
(b) The serial number of an element in the periodic table is also its
(c) The number of electrons in the valence shell of an atom represents its
in the periodic table.
(d) The number of electron shells around the nucleus of an atom represents its
in periodic table.
(e) au cod metals and alkaline earth metals are placed in the groups I and
on the left hand side of the periodic table.
elements are placed on the right hand side of the periodic table.
(g) The elements occupying left and right wing vertical columns are called
elements.
(h) Noble
are placed in
group in the last
of the periodic table.
(i) The
elements are accommodated in the middle of the periodic table in
series.
() The first period has
elements and is called
period.
(k) The second and third periods have
elements and are called
periods.
(l) The fourth and fifth periods have
elements and are called
periods.​

Answer 1

Explanation:

(a) modern periodic law

(b) atomic number

(c) valence electrons or valency

(d) orbits

(e) group 2

(f) p block elements

(g) representative

(h) group 18 or 8b

(j) 2 elements and shortest table

(k)short periods

(l)long periods

Answer 2

Answer:

dddndnjdisoodododdkkdkdokkriekdjdijfjfkfkkdkrkrkrkr