Atomic structure medium

Atomic Structure Quiz (Medium)

1. The number of electrons in the outermost shell of an atom is known as:

a) Atomic number b) Mass number c) Valence electrons

2. Isotopes of an element have the same number of:

a) Neutrons b) Electrons c) Protons

3. The total number of neutrons in the nucleus of an atom is equal to:

a) Atomic number b) Mass number c) Atomic mass

4. What is the maximum number of electrons that can occupy the third energy level of an atom?

a) 2 b) 8 c) 18

5. Which scientist proposed the planetary model of the atom?

a) J.J. Thomson b) Ernest Rutherford c) Niels Bohr

6. The total number of electrons that can be accommodated in the M shell is:

a) 2 b) 8 c) 18

7. What is the name of the subatomic particle that is located in the nucleus of an atom?

a) Electron b) Proton c) Neutron

8. What is the charge of an alpha particle?

a) Positive b) Negative c) Neutral

9. The atomic number of an atom is determined by the number of:

a) Electrons b) Neutrons c) Protons

10. The maximum number of electrons that can be accommodated in the second energy level is:

a) 2 b) 8 c) 18