Question

Identify the three sets of isotopes from the following list: (Note that- Above is mass number & below is atomic number) 2 A1 , 12 B6 , 13 C5 , 37 E17 , 31 F15 , 1G1 , 35 H17 , 12 D5

Answer 1

Answer:

Isotopes have same atomic number but different atomic masses

8

16

O,

8

18

O

92

239

U

92

238

U

32

77

Ge

32

76

Ge are isotopes.

Isobars have same atomic massed but different atomic number.

6

14

C

7

14

N;

32

77

Ge

33

77

As are isobars

Isotones have same number of neutrons(atomic mass-atomic number)

8

16

O

6

14

C;

19

39

K

20

40

Ca;

33

77

As

34

78

Se are isotones

Answer 2

Answer:

$\huge\underline\mathfrak\red{Answer}$

$a)21$

$b()23$