Free Printable 2.1 Bohr's Atomic Model Part 1

1.

Which the equation show the relationship among wavelength, frequency, and speed of radiation.

a)

$\Delta E\ =\frac{hc}{\lambda}$

b)

$\Delta E=hv$

c)

$\lambda\ =\ \frac{c}{v}$

d)

$En=-\ R_{H\ }\left(\frac{1}{n^2}\right)$

2.

Which the equation show the relationship between energy and frequency of radiation.

a)

$\Delta E\ =\frac{hc}{\lambda}$

b)

$\Delta E=hv$

c)

$\lambda\ =\ \frac{c}{v}$

d)

$En=-\ R_{H\ }\left(\frac{1}{n^2}\right)$

3.

Which the energy of an electron in a given energy state of the H atom.

a)

$\Delta E\ =\frac{hc}{\lambda}$

b)

$\Delta E=hv$

c)

$\lambda\ =\ \frac{c}{v}$

d)

$En=-\ R_{H\ }\left(\frac{1}{n^2}\right)$

4.

Give the value of Planck's constant.

a)

$6.63\times10^{-34}\ Js\ @\ Kg\ m^{-2}\ s^{-1}$

b)

$3.0\ \times\ 10^8ms^{-1}$

c)

$1.097\ \times10^7m^{-1}$

d)

$2.18\ \times10^{-18}J$

5.

Choose the Planck's constant that show in the mathematical equation.

a)

$\Delta E\ =\frac{hc}{\lambda}$

b)

$\Delta E=hv$

c)

$\lambda\ =\ \frac{c}{v}$

d)

$En=-\ R_{H\ }\left(\frac{1}{n^2}\right)$

6.

(a) is the lowest energy level an electron will occupy in an atom at an ordinary condition

7.

If energy is supplied, electron ___________ the energy and is _____________ from a lower energy level to a higher ones.

(a)

8.

At excited state electron is _______________and it will fall back to lower energy level and released a specific amount of ________________ in form of light (photon).

(a)

9.

Name the types of line spectrum.

a)

absorbtion spectrum

b)

continous spectrum

c)

hydrogen spectrum

d)

emission spectrum

10.

The diagram show

a)

formation of continous spectrum

b)

formation of line spectrum

11.

the diagram show

a)

the formation of continous spectrum

b)

the formation of line spectrum

12.

Choose the correct series produced in line spectrum.

a)

Balmer

b)

Lymen

c)

Brackett

d)

Paschen

2.1 Bohr's Atomic Model Part 1

Total questions: 12

Worksheet time: 13mins

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