q no 14 pls answer fast ished with
00, then
xirnately: -
) 112
opes of
.nd 2596
rubidium
) 87.5
I and an
13.
4.
15.
ne elm ratio is rnaxirnurn for :
(4) He2.
Let mass of electron is half, mass oi proton is two
tirnes rmss of rwtnron is three fc_A1rth of orignal_
Th d out new atomic wt. of 01" atom
increases 37.5%
(2) Remain constant
(3) increases by 12.5%
(4) decreases by 25%
Naturally ocrurring boron has two iu»topes whose
atornic weights are 10.00 (D 11.00 (II). Atomk
weight Of natural boron is 10.80. The
Of isot01B d) arri (II) is
(1) 20 and 80
(3) 15 and 75
(2) 10 20
(4) 30 and 70
In 7N14 if mass attributed to electron were doubled
& the rnass to protons were haKed, the
atomic rnass would become
