64 + Mcqs in Atomic Structure Page 1 McqOptions

1.	Cinnabar
A.	Hg
B.	Cu
C.	Pb
D.	Zn
Answer» B. Cu

Discussion

2.	Which one of the among the following is used as a
A.	Ozone
B.	Heavy hydrogen
C.	Heavy water
D.	Hydrogen peroxide
Answer» D. Hydrogen peroxide

Discussion

3.	The number of protons in a
A.	more than the atomic number of the element
B.	less than the atomic number of the element
C.	more than the number of elecrons in the atom
D.	less than the number of electrons in the atom
Answer» E.

Discussion

4.	In which one of the following is the
A.	Carbon
B.	Oxygen
C.	Nitrogen
D.	Argon
Answer» D. Argon

Discussion

5.	Species
A.	isotopes
B.	isobars
C.	isoelectronic
D.	isotones
Answer» D. isotones

Discussion

6.	Which of the following electromagnetic wave has the
A.	Infra red rays
B.	Gamma rays
C.	Light rays
D.	Ultra-violet rays
Answer» B. Gamma rays

Discussion

7.	Gamma rays
A.	high energy electrons
B.	low energy electrons
C.	high energy electromagnetic
D.	high energy positrons waves
Answer» D. high energy positrons waves

Discussion

8.	An atom has
A.	25
B.	27
C.	35
D.	43
Answer» D. 43

Discussion

9.	Cathode rays
A.	<sup>+<sup>ve electrode </sup></sup>
B.	<sup>-<sup>ve electrode </sup></sup>
C.	(a) & (b) alternatively
D.	None of the above
Answer» B. <sup>-<sup>ve electrode </sup></sup>

Discussion

10.	Neutron
A.	J.J. Thomson
B.	Chadwick
C.	Rutherford
D.	Priestley
Answer» C. Rutherford

Discussion

11.	Structure of solids
A.	cosmic rays
B.	Z - rays
C.	infrared
D.	y - rays
Answer» C. infrared

Discussion

12.	Which of the following has
A.	Cosmic rays
B.	X - rays
C.	Radio waves
D.	Micro waves
Answer» B. X - rays

Discussion

13.	The nucleus of a
A.	6 protons and 6 neutrons
B.	5 protons and 6 neutrons
C.	6 protons and 6 neutrons and 6 electrons
D.	12 protons and 6 neutrons and 6 electrons
Answer» B. 5 protons and 6 neutrons

Discussion

14.	Which one among the following is the equivalent
A.	98
B.	60
C.	100
D.	49
Answer» E.

Discussion

15.	Positive ions
A.	neutrons
B.	protons
C.	nuclear charge
D.	electrons
Answer» E.

Discussion

16.	Nuclear particles
A.	electrons
B.	neutrons
C.	positrons
D.	mesons
Answer» E.

Discussion

17.	Discovery of the
A.	Bohr
B.	Rutherford
C.	Moseley
D.	Thomson
Answer» C. Moseley

Discussion

18.	Protons and neutrons
A.	short range 'weak interaction'
B.	short range 'strong interaction'
C.	long range 'electromagnetic interaction'
D.	long range 'gravitational interaction'
Answer» C. long range 'electromagnetic interaction'

Discussion

19.	Meson
A.	Powell
B.	Seaburg
C.	Anderson
D.	Yukawa
Answer» E.

Discussion

20.	Species containing same number of
A.	Isotopes
B.	Isobars
C.	Isoelectronic
D.	Isotones
Answer» D. Isotones

Discussion

21.	Which one is not the
A.	Protium
B.	Eritium
C.	Deuterium
D.	Tritium
Answer» C. Deuterium

Discussion

22.	Radioactive isotope
A.	Protium
B.	Deuterium
C.	Tritium
D.	All
Answer» D. All

Discussion

23.	Regarding the atom of a chemical element,
A.	orientation
B.	shape
C.	size
D.	spin
Answer» B. shape

Discussion

24.	Wavelength
A.	green and yellow
B.	red and blue
C.	green and red
D.	blue and yellow
Answer» C. green and red

Discussion

25.	Nucleons
A.	protons and neutrons
B.	neutrons and electrons
C.	protons and electrons
D.	protons, neutrons and electrons
Answer» B. neutrons and electrons

Discussion

26.	Rutherford's scattering
A.	nucleus
B.	atom
C.	electron
D.	neutron
Answer» B. atom

Discussion

27.	Isotopes
A.	same number of neutrons
B.	same number of protons
C.	same atomic mass
D.	different chemical properties
Answer» C. same atomic mass

Discussion

28.	In an atom the order of filling up of the
A.	Aufbau principle
B.	Heisenberg's uncertainly principle
C.	Hund's rule
D.	Pauli's exclusion principle
Answer» B. Heisenberg's uncertainly principle

Discussion

29.	Bohr model
A.	Spectrum of Hydrogen atoms
B.	Spectrum of one atom/ion having one electron only
C.	Spectrum of Hydrogen molecule
D.	None of these
Answer» C. Spectrum of Hydrogen molecule

Discussion

30.	The atoms of the elements having
A.	isotopes
B.	isobars
C.	isotones
D.	isomers
Answer» C. isotones

Discussion

31.	Any
A.	4-electrons
B.	6-electrons
C.	2-electrons in opposite
D.	None of these
Answer» C. 2-electrons in opposite

Discussion

32.	Cathode
A.	electromagnetic wave
B.	stream of - particle
C.	stream of electrons
D.	radiations
Answer» D. radiations

Discussion

33.	The number of unpaired electrons in
A.	2
B.	4
C.	1
D.	3
Answer» B. 4

Discussion

34.	The fundamental particles present in
A.	protons and electrons
B.	neutrons and electrons
C.	protons and neutrons
D.	protons and positrons
Answer» B. neutrons and electrons

Discussion

35.	Cathode rays are deflected towards
A.	+ve electrode
B.	-ve electrode
C.	(a) & (b) alternatively
D.	None of the above
Answer» B. -ve electrode

Discussion

36.	Meson was discovered by
A.	Powell
B.	Seaburg
C.	Anderson
D.	Yukawa
Answer» E.

Discussion

37.	The nitrogen atom has 7 protons and 7 electrons. The nitride ion will have
A.	10 protons and 7 electrons
B.	7 protons and 10 electrons
C.	4 protons and 7 electrons
D.	4 protons and 10 eletrons
Answer» C. 4 protons and 7 electrons

Discussion

38.	Which is one of the correct sequences of
A.	UV > Green > In > Hard X - rays
B.	IR > Green > UV > Hard X - rays
C.	UV > Hard X - rays > In > Green
D.	IR > Hard X - rays > Green > UV
Answer» C. UV > Hard X - rays > In > Green