Question

Calculate the radius of the first orbit of hydrogen atom. ​

Answer 1

Answer:

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Answer 2

Answer:

As we know,

r

n

=

4π

2

me

2

K

n

2

h

2

r

1

=

4

(1)

2

(6.626×10

−34

)

2

×(3.14)

2

(9.109×10

−31

)(1.6×10

−9

)

2

(9×10

9

)= 0.529 × 10

−10

= 0.529 A

0

E = -

2r

Kze

2

= -

2×0.529×10

−10

(9×10

9

)(1)(1.6×10

−19

)

2

= −2.178× 10

−18

J