50+ MCQ's related with Basics of Chemistry & Periodic Table
50 +MCQ's related with
Basics of Chemistry & Periodic Table
In this section you can find the MCQ's related with Basics of chemistry (Language of chemistry) and Periodic table.
This blog post is useful for class-10, CTVET Entrance preparation and Bridge Course entrance preparation. The questions taken here are from past CTEVT and +2 entrance exams taken by different institutions.
1) What is the electronic configuration of Na?
a) 2,6,5
b) 2,8,1
c) 2,8,8,1
d) 2,9
2) How many electrons are there in Mg⁺⁺?
a) 9
b) 10
c) 11
d) 12
3) How many electrons are found in Ca atom?
a) 16
b) 18
c) 20
d) 22
4) What is the symbol of Mercury?
a) M
b) Mr
c) Pb
d) Hg
5) What is the symbol of Potassium?
a) P
b) Po
c) K
d) Ka
6) Which one is the radical of aluminum?
a) Al⁺
b) Al⁺ ⁺
c) Al⁺ ⁺ ⁺
d) Al⁻ ⁻ ⁻
7) What is the symbol of zinc?
a) Z
b) Zi
c) Zc
d) Zn
8) What is the symbol of lead?
a) L
b) Pb
c) Hg
d) Le
9) Hg is the symbol of?
a) Mercury
b) Lead
c) Potassium
d) Hydrogen
10) 1s² 2s²2p⁶ 3s²3p⁶ is the electronic configuration of?
a) Sulphur
b) Chlorine
c) Argon
d) Potassium
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11) What is the electronegativity of Fluorine?
a) 3.0
b) 3.4
c) 3.8
d) 4.0
12) Which one among the following is least electronegative?
a) Na
b) F
c) Cl
d) I
13) What is the molecular formula of calcium carbonate?
a) caco₃
b) CaCo₃
c) CaCO₃
d) CaCO₂
14) Hydragyrum denotes....
a) Hydrogen
b) Hydrocarbon
c) Mercury
d) Lead
15) Phosphorous has electronic configuration of...?
a) 2, 8, 4
b) 2, 12
c) 2, 8, 5
d) 2, 8, 6
16) The lightest element is.....
a) Lithium
b) Helium
c) Hydrogen
d) Nitrogen
17) Latin name of mercury is.....
a) Argentum
b) Hydragyrum
c) Kalium
d) Natrium
18) The atomic number of gold is....
a) 79
b) 82
c) 80
d) 78
19) The number of electrons in the valance shell of an atom of silicon is.....
a) 2
b) 3
c) 4
d) 6
20) The atomic number of Argon is....
a) 18
b) 54
c) 36
d) 19
21) The number of neutrons in potassium is.....
a) 19
b) 18
c) 20
d) 21
22) Atomic mass of an atom of an element is 40 and the number of neutrons in it is 22. Its atomic number is....
a) 22
b) 20
c) 18
d) 19
23) 2,8,7 is the electronic configuration of...
a) Sulphur
b) Chlorine
c) Argon
d) Potassium
24) The smallest unit of an element which can enter a chemical reaction is called......
a) an atom
b) a molecule
c) an icon
d) a mole
25) Electronic configuration of Nitrogen is....
a) 2,5
b) 2,2,3
c) 2,4,1
d) 1,4,2
26) Molecular weight of CO₂ is....
a) 22
b) 28
c) 44
d) 18
27) Atomic number of potassium is....
a) 11
b) 13
c) 18
d) 19
28) Silver is.......
a) Argentum
b) Natrium
c) Kalium
d) Hydragyrum
29) Atomic number of mercury is.....
a) 79
b) 80
c) 89
d) 82
30) Plumbum is.....
a) Mercury
b) Silver
c) Lead
d) Sodium
31) Electronic configuration of sodium is...
a) 10, 1
b) 2,8,1
c) 1,8,2
d) 2,8,3
32) CO stands for.....
a) Cobalt
b) Chromium
c) Cobalt oxide
d) Carbon monoxide
33) Co stands for.....
a) Cobalt oxide
b) Cobalt
c) Carbon monoxide
d) Chromium
34) The number of neutrons in an atom of Argon is.....
a) 18
b) 19
c) 22
d) 20
35) Electronic configuration of 'K' is...
a) 2,8,8,1
b) 2,8,1
c) 1,8,8,2
d) 2,8,9
36) Sodium is.....
a) Kalium
b) Natrium
c) Ferrum
d) Argentum
37) What is the symbol of Antimony?
a) Ab
b)Sb
c) S
d) O₂
38) What is Atomic number of Hydrogen?
a) 0
b) 1
c) 2
d) 3
39) What is the no. of neutron in sodium?
a) 11
b) 12
c) 13
d) 14
40) What is the atomic weight o gold?
a) 179
b) 187.2
c) 170.3
d) 197
41) 2,8,2 is the electronic configuration of
a) Sulphur
b) Chlorine
c) Magnesium
d) All of the above
42) Atomic number is....
a) Number of protons
b) Number of neutrons
c) Number of electrons
d) Atomic weight
43) What is the symbol of copper?
a) Ag
b) Ca
c) Cu
d) Co
44) Which of the following is the atomic number of copper?
a) 30
b) 29
c) 31
d) 32
45) When NaCl is dissolved in water, Na⁺ ion becomes....
a) Oxidized
b) Reduced
c) Hydrolyxed
d) Hydrated
46) Which of the following is a metal?
a) Nitrogen
b) Helium
c) Bromine
d) Tungsten
47) Which one of the following is radioactive?
a) Carbon
b) Iron
c) Uranium
d) Sodium
48) Which one is tetravalent?
a) Carbon
b) Oxygen
c) Magnesium
d) Nitrogen
49) Which one is an alkaline earth metal?
a) Mg
b) Al
c) Na
d) Fe
50) In which group of periodic table the valancy of an element is zero?
a) Group IA
b) Group VIIA
c) Group VIII
d) Group IIA
51) Odd one out...
a) Na
b) K
c) Li
d) Cl
Some More practice sheets
More Questions will be given in another blog post.
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