Question

any one can tell me is it correct ? plx find my mistake nd tell me?​

Answer 1

Answer:

Z = atomic number,A=atomic mass,p=protons,e=electrons,n=neutrons

1.Zr

Z=40

A=91

p=40

e=40

n=51

2. Zn

Z=30

A=65

p=30

e=30

n=35

3. Ag

Z=47

A=108

p=47

e=47

n=61

4. Pt

Z=78

A=195

e=78

p=78

n=117

5. Cs

Z=55

A=133

e=55

p=55

n=78

6. Pb

Z=82

A=207

e=82

p=82

n=125

7. Br

Z=35

A= 80

e=35

p=35

n=45

my answer will give the rectifiction to you wrong answers

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