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Recent questions in Structure of Atom

Questions >> CBSE XI >> Chemistry >> Structure of Atom

Which out of $Cu^{2+},Fe^{2+}$ and $Cr^{3+}$ has highest paramagnetism and why

asked Jul 9, 2019 by meena.clay6

1 answer

How many radial/spherical nodes will be present in the 5f orbitals?

asked Jul 9, 2019 by meena.clay6

1 answer

What will be the maximum number of electrons having the same spin in an atom with n+l=4 ?

asked Jul 9, 2019 by meena.clay6

1 answer

When is the energy of electron regarded as zero.

asked Jul 9, 2019 by meena.clay6

1 answer

How many unpaired electrons are present in $Pd (Z = 46)$?

asked Jul 8, 2019 by meena.clay6

1 answer

Which element does not have any neutron?

asked Jul 8, 2019 by meena.clay6

1 answer

The increasing order (lowest first) for the values of e/m (charge/mass) for

asked Jul 5, 2019 by meena.clay6

1 answer

Atomic number of an element is equal to the number of

asked Jul 3, 2019 by meena.clay6

1 answer

Which out of $Cu^{2+},Fe^{2+}$ and $Cr^{3+}$ has highest paramagnetism and why

asked Jul 3, 2019 by meena.clay6

1 answer

How many radial/spherical nodes will be present in the 5f orbitals?

asked Jul 3, 2019 by meena.clay6

1 answer

What will be the maximum number of electrons having the same spin in an atom with n+l=4 ?

asked Jul 3, 2019 by meena.clay6

1 answer

When is the energy of electron regarded as zero.

asked Jul 3, 2019 by meena.clay6

1 answer

How many unpaired electrons are present in Pd (Z = 46) ?

asked Jul 3, 2019 by meena.clay6

1 answer

Which element does not have any neutron?

asked Jul 3, 2019 by meena.clay6

1 answer

Yellow light emitted from a sodium lamp has a wavelength $(\lambda)$ of 580 nm. Calculate thefrequency $(ν)$ and wave number of the yellow light.

asked Jul 3, 2019 by meena.clay6

0 answers

Compare the wavelengths for the first three lines in the Balmer series with those which arise from similar

asked Jun 28, 2019 by meena.clay6

1 answer

A 1 MeV proton is sent against a gold leaf (Z = 79). Calculate the distance of closest approach for head on collision.

asked Jun 28, 2019 by meena.clay6

1 answer

Atomic number of an element is equal to the number of

asked Jun 27, 2019 by meena.clay6

1 answer

The angular momentum of electrons in d orbital is equal to

asked Jun 27, 2019 by meena.clay6

1 answer

Calculate the total number of angular nodes and radial nodes present in 30 orbitals

asked Jun 27, 2019 by meena.clay6

1 answer

An element with mass number 81 contains $31.7 \%$ more neutrons as compared to protons. Assign the atomic symbol.

asked Jun 26, 2019 by meena.clay6

1 answer

What is the relationship between frequency and wavelength of light?

asked May 20, 2019 by meena.clay6

1 answer

Neutrons can be found in all atomic nuclei except in one case. Which is this atomic nucleus and what does it consists of?

asked May 20, 2019 by meena.clay6

1 answer

Which are isosters ?

asked May 16, 2019 by meena.clay6

1 answer

Calculate the wave number of lines having the frequency of $5 \times 10^{16}$ cycles per sec

asked May 16, 2019 by meena.clay6

1 answer

Calculate the ratio of K.E and P.E of an electron in an orbit?

asked May 16, 2019 by meena.clay6

1 answer

Calculate the accelerating potential that must be applied to a proton beam to give it an effective wavelength of 0.005 nm.

asked May 16, 2019 by meena.clay6

1 answer

calculate the Broglie wavelength of an electron moving with 1% of the speed of light ?

asked May 16, 2019 by meena.clay6

1 answer

What is common between $d_{xy}$ and $d_{x2-y2}$ orbitals ?

asked May 16, 2019 by meena.clay6

1 answer

Calculate energy of 2 moles of photons of radiation whose frequency is $5 \times 10^{34}\;Hz$

asked May 16, 2019 by meena.clay6

1 answer

What is relative mass and charge of an electron?

asked May 15, 2019 by meena.clay6

1 answer

Define the term scintillations?

asked May 15, 2019 by meena.clay6

1 answer

Why some atoms shows radioactivity?

asked May 15, 2019 by meena.clay6

1 answer

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