Chemistry Chapter 11 Entry Test MCQs
Topic 11
Periodic Table
1. _ classified the then known elements into metals, non-metals and their derivatives.
a. Newlands
b. Dobreiner
c. Mendeleev
d. Al – Razi
2. The Right Side of the Periodic Table Refers to
a. Metals
b. Non-metals
c. Transition elements
d. Metalloids
3. What does Determine the Chemical Behaviour of Atoms?
a. Mass number
b. Ionization energy
c. Atomic number
d. Isotope numbers
4. Which One is the Lightest Among the Following Metals?
a. Na
b. Ca
c. Mg
d. Li
5. Which Block Does Refer to maximum Non-metal Elements?
a. F-block
b. P-block
c. S-block
d. D-block
6. Which of the elements do have ns²np⁶ Outer Electronic Configuration?
a. Noble gasses
b. Chalcogens
c. Transition elements
d. Alkaline earth
7. Which One is a Metalloid?
a. Bi
b. Sb
c. Pb
d. Zn
8. How Many Elements are there in the 5th Period?
a. 32
b. 18
c. 8
d. 10
9. Which Elements Display a Diagonal Relationship?
a. Ga and B
b. Al and B
c. Si and B
d. C and B
10. What is the Position of the Element Having Quantum Numbers l = 1, n = 2, s = -1/2, m = 1, in the Periodic Table?
a. Group II, period 3
b. Group I, period 2
c. Group VIIA, period 3
d. Group VIIA, period 2
11. Alkaline earth metals come under
a. Representative elements
b. Halogens
c. Inner transition elements
d. Transition elements
12. Metalloid among the following is
a. Pb
b. Si
c. Ge
d. C
13. Law of octave states that __
a. The properties of every 8th element from the given one were similar to the first.
b. The properties of every 6th element from the given one were similar to the first.
c. The properties of every 7th element from the given one were similar to the second.
d. The properties of every 9th element from the given one were similar to the first.
14. A pair of elements in the same family in the periodic table classification is __
a. Nitrogen and neon
b. Chlorine and carbon
c. Sodium and potassium
d. Calcium and aluminium
15. In the period, the elements are not arranged in order
a. Increasing atomic weights.
b. Increasing charges in the nucleus.
c. Increasing valency
d. Increasing number of electrons
16. Which pair of atomic numbers represents s-block elements
a. 6, 12
b. 7, 15
c. 3, 12
d. 9, 17
Properties
17. The hydrides acts as powerful reducing agents are
a. Interstitial
b. Ionic
c. Complex
d. Covalent
18. Metallic character of an element reflects its tendency to
a. Share electrons
b. Gain electrons
c. Donate electrons
d. Loose electrons
19. Magnitude of which of the following property of alkali metals increases with the increase of atomic number
a. Melting point
b. Electronegativity
c. First ionization energy
d. Ionic radius
20. Alkaline earth metals are denser than alkali metals, because metallic bonding in alkaline earth’s metal, is
a. Volatile
b. Stronger
c. Not present
d. Weaker
21. Which element possesses biggest atomic radii
a. Al
b. P
c. Mg
d. Si
22. Which of the following is most acidic?
a. Al2O3
b. Na2O
c. CaO
d. MgO
23. An element A dissolves both in acid and alkali. It is an example of
a. Amorphous nature
b. Allotropic nature
c. Amphoteric nature
d. Dimorphic nature
24. The lowest ionization energies are found in the
a. Transition elements
b. Inert gases
c. Halogens
d. Alkali metals
25. The electropositive elements form _
a. Neutral oxides
b. Acidic oxides
c. Amphoteric oxide
d. Basic oxides