Chemistry 9 Chapter 3Periodic Table and Periodicity of Properties - 10

Chemistry 9 Chapter 3
Periodic Table and Periodicity of Properties - 10

1. The average distance between the nucleus of an atom and the outer electronic shell is known as?

a) Atomic size
b) Atomic number
c) Electronegativity
d) Ionization energy

2. When we move from left to right in a period, the atomic radius?

a) Increases
b) Decreases
c) Remains constant

3. When we move from left to right in a period, the attractive force of the nucleus for the valence shell electron?

a) Increases
b) Remains constant
c) Decreases

4. When the force of the nucleus for the valence shell electron
inceases, the atomic size?

a) Increases
b) Decreases
c) Remains constant

5. Moving from top to bottom in a group, the atomic radius?

a) Decreases
b) Increases
c) Remains constant

6. The atomic size increases from top to bottom in a group due to?

a) None of these
b) Decrease in atomic size
c) Addition of electronic shells
d) Reduction in electronic shells

7. The addition of electronic shell ___ the atomic size?

a) Decreases
b) Does not affect
c) Increases

8. The minimum amount of energy required to remove the outermost
electron from an isolated gaseous atom is known as?

a) Electronegativity
b) Ionization energy
c) Electron affinity
d) Activation energy

9. If an element has a greater ionization energy, it means the force of attraction between the nucleus and outermost electron is?

a) Lower
b) None of these
c) Zero
d) Greater

10. Moving from top to bottom in a group, the ionization energy?

a) Increases
b) Remains constant
c) Decreases

This is more feedback!

This is the feedback!