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Recent questions tagged structure of atom
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1
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Radiocarbon dating technique is used to estimate the age of Options: (a) rocks
asked
Apr 7, 2019
in
JEE
by
kratos
bsnl
jee
class-9
jee mains
structure of atom
+2
votes
1
answer
Find (a) the total number of protons and (b) the total mass of protons in 34 mg of NH3 at STP.
asked
Apr 7, 2019
in
Chemistry
by
kratos
physical chemistry
class-11
class-12
atomic structure
structure of atom
+3
votes
1
answer
Write electronic configuration of lithium molecule.
asked
Apr 6, 2019
in
JEE
by
kratos
chemical bonding
cbse
class-11
jee
alkali metals
molecular structure
class-9
jee mains
structure of atom
+2
votes
1
answer
Assertion: In a metal all the free electrons have same energy. Reason : Electrons do not obey Pauli'* exclusion principle.
asked
Apr 6, 2019
in
Class 11
by
kratos
quantum mechanical model of atom
class-11
structure of atom
+2
votes
1
answer
State physical significance of Ψ^2.
asked
Apr 6, 2019
in
Class 11
by
kratos
class-11
structure of atom
+2
votes
1
answer
Write electronic configuration of Ca(Z = 24) and Cu( Z = 22).
asked
Apr 6, 2019
in
Class 11
by
kratos
class-11
cbse
structure of atom
+2
votes
1
answer
Which among the following gases absorb long wavelength infared radiation emitted from the earth'* surface ?
asked
Apr 5, 2019
in
Chemistry
by
kratos
structure of atom
class-11
physical chemistry
atomic physics
atomic structure
class-12
bitsat
+3
votes
1
answer
State de-Broglie concept of dual nature of matter. How do dual nature of electron verified?
asked
Apr 5, 2019
in
Class 12
by
kratos
photoelectric effect
cbse
structure of the atom
quantum mechanical model of atom
class-11
matter waves
class-12
structure of atom
+1
vote
1
answer
Which one of the following about an electron occupying the 1s orbital in a hydrogen atom is incorrect ?
asked
Apr 4, 2019
in
Class 12
by
kratos
neet
quantum mechanical model of atom
class-11
jee mains 2019
structure of atom
+3
votes
1
answer
Using the Heisenberg uncertainty principle, arrange the following particles in the order of increasing lowest energy possible.
asked
Apr 4, 2019
in
Class 12
by
kratos
cbse
class-11
dual nature of radiation and matter
atomic structure
class-12
structure of atom
+2
votes
1
answer
Calculate the frequency and energy per quantum of a radiation with a wavelength of 200 nm.
asked
Apr 3, 2019
in
Class 11
by
kratos
class-11
structure of atom
+1
vote
1
answer
Which of the following is not a characteristics of Planck’* quantum theory of radiation?
asked
Apr 2, 2019
in
JEE
by
kratos
class-11
jee
kvpy
atomic structure
jee mains
units and measurements
structure of atom
+3
votes
1
answer
Define the term Atomic number.
asked
Apr 2, 2019
in
Class 11
by
kratos
class-8
class-9
class-11
structure of atom
+2
votes
1
answer
In the ground state of Cu^+, the number of shells occupied, subshells occupied, filled orbitals and
asked
Apr 2, 2019
in
Class 12
by
kratos
neet
aiims
jee
jee mains
structure of atom
+1
vote
1
answer
The number of groups in the modern periodic table is
asked
Apr 1, 2019
in
Class 11
by
kratos
classification of elements and periodicity in properties
properties of elements
structure of atom
class-11
atomic theory
class-9
class-10
periodic classification
periodic classification of elements
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vote
1
answer
Name the atom which has no neutron.
asked
Apr 1, 2019
in
Class 9
by
kratos
class-8
class-9
structure of atom
+1
vote
1
answer
State the principle of Heisenberg’* uncertainty.
asked
Apr 1, 2019
in
JEE
by
kratos
class-11
jee
dual nature of radiation and matter
atomic structure
jee mains
structure of atom
+1
vote
1
answer
According to the Bohr theory, which of the following transitions in the hydrogen atom will give rise to the least energetic photon?
asked
Mar 31, 2019
in
Class 12
by
kratos
quantum mechanical model of atom
neet
class-11
structure of atom
+1
vote
1
answer
According to Bohr’* model of the atom, an electron can revolve around the atomic nucleus in a suitable orbit without emitting energy if its orbit
asked
Mar 30, 2019
in
Class 12
by
kratos
neet
class-11
jee
jee advanced 2019
jee mains
bitsat
structure of atom
+2
votes
1
answer
Light from a bulb falls on a wooden table but no photoelectron are emitted. Why?
asked
Mar 30, 2019
in
JEE
by
kratos
photoelectric effect
class- 11
class-11
jee
jee mains
class-12
wave particle quality
structure of atom
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