Chemistry Atomic Structure Online Quiz Test MCQs

Given on this page is a free online quiz which includes important questions and answers about the Atomic Structure. All the individuals who want to improve their general knowledge or are currently preparing for any written exam related to this subject can now do so with ease by using our tests as a guide.

Chemistry Atomic Structure Online Quiz Test MCQs

• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• 9
• 10
• 11
• 12
• 13
• 14
• 15

1. Which of the following was discovered first?

Charge to mass ration of electrons

Mass of electron

Charge of electron

All of above at same time

Question 1 of 15

 Loading...

2. X-rays were discovered by:

Bohr

Schrodinger

Rutherford

Roentgen

Question 2 of 15

 Loading...

3. In 1913, Mosley used the x-rays to determine:

Relative atomic mass

Mass number

Atomic number

Avogadro's number

Question 3 of 15

 Loading...

4. The nature of positive rays depends on:

Nature of resident gas

All of the above

Nature of dischasrge

Nature of elecrode

Question 4 of 15

 Loading...

5. The e/m value for positive rays is maximum:

Hydrogen

Oxygen

Nitrogen

Helium

Question 5 of 15

 Loading...

6. Maximum potential energy that can electron can have within the atom is:

Less than zero

Equal to zero

Infinite

Greater than zero

Question 6 of 15

 Loading...

7. Neutron was discovered by:

Rutherford

Chadwick

Plank

Bohr

Question 7 of 15

 Loading...

8. X-rays have same nature as:

Cathode rays

Alpha rays

Gamma rays

Beta rays

Question 8 of 15

 Loading...

9. X-rays are attracted towards:

Anode

Cathode

Any Electrode

None of electrode

Question 9 of 15

 Loading...

10. According to Planck energy travels is a discontinuous manner and it is composed of large number of tiny discrete units called:

Quanta

Photons

Particles

Planta

Question 10 of 15

 Loading...

11. Max planck proposed quantum theory is:

1860

2000

1900

1800

Question 11 of 15

 Loading...

12. Alpha rays consists of:

Neutrons

Helium nucleus

Hydrogen nucleus

Protons

Question 12 of 15

 Loading...

13. Which one of the following has the same number of electrons as an alpha particle?

H⁺

H

He

Li⁺

Question 13 of 15

 Loading...

14. Which of the following particles has longest wavelength, if they have same speed:

Electron

Neutron

Positron

Proton

Question 14 of 15

 Loading...

15. Charge to mass ratio of electron was discovered by:

Millikan

Chadwick

J.J. Thomson

Rutherford

Question 15 of 15

 Loading...

 Loading...