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Harsh
Subject: Chemistry
, asked on 25/4/18
Why can there be only 8 electrons in the outermost shell of an element's electronic configuration.
Answer
1
Harsh
Subject: Chemistry
, asked on 21/4/18
Elements with how many valance electrons are metals, non metals and metalloids ?
Answer
1
Harsh
Subject: Chemistry
, asked on 21/4/18
Why do elements do not have valency more than 8 ?
Answer
1
Priyanka
Subject: Chemistry
, asked on 25/3/18
The most ionic compound of a periodic table is:
A) Sodium chloride
B) Potassium chloride
C) Magnesium chloride
D) Caesium chloride
Answer
1
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 13/2/18
Is benzene polar or non polar and why?
Answer
1
Rajay Rajay Chakrasingh
Subject: Chemistry
, asked on 13/1/18
Q. The electromagnetic radiations are,
i) Visible light ii) IR light
iii) UV light iv) Micro waves
Q. In Hydrogen atom electron is present in the N Shell. If it loose energy a spectral line may be observed in the region
(a) Infra-red (b) visible
(c) ultra-violet (d) any of these
Answer
2
Nandani Bijalwan
Subject: Chemistry
, asked on 22/2/23
Define Non polar and polar bonds
Answer
2
Nandani Bijalwan
Subject: Chemistry
, asked on 17/9/22
Atomic structure and chemical bonding
Answer
1
Nandani Bijalwan
Subject: Chemistry
, asked on 9/9/22
What is the significance of the number of proton found in the atom of different elements.
Answer
1
Parv Garg
Subject: Chemistry
, asked on 31/7/22
What is the electronic configuration, atomic number, mass number of calcium ion(specific ion of calcium not atom of calcium).
Answer
1
Vijval
Subject: Chemistry
, asked on 4/2/22
The principal and azimuthal quantum numbers associated with a subshell are
a
and
a-4,
respectively. Predict the shape of that subshell if the shape of another subshell having azimuthal quantum number
a-5
is spherical. If that subshell is half-filled, predict the atomic number of the element.
Answer
2
Vijval
Subject: Chemistry
, asked on 4/2/22
Is the velocity of an electron in all orbits the same for an atom of a particular element? How does it vary for different single electron species? Give reasons in support of your answer.
Answer
2
Vijval
Subject: Chemistry
, asked on 4/2/22
Explain why when equal volumes of both ethyl alcohol and water are mixed, the volume of the resulting solution is less than the sum of the volumes of water and alcohol.
Answer
1
Vijval
Subject: Chemistry
, asked on 4/2/22
If the energy difference between the orbits when an electron in H atom gets excited to higher energy orbit from its ground state is 12.1 eV/atom, calculate the frequency of radiation emitted ( 1eV = 1.602 x 10
-19
J) when electron comes back to second energy level.
Answer
2
Vijval
Subject: Chemistry
, asked on 4/2/22
If the energy released when an electron jumped from the 4
th
orbit to the 3
rd
orbit of hydrogen is 'x', then what would be the energy difference when it jumps from the 3
rd
orbit to the 2
nd
orbit?
Answer
2
1
2
3
4
5
Next
What are you looking for?
A) Sodium chloride
B) Potassium chloride
C) Magnesium chloride
D) Caesium chloride
Q. The electromagnetic radiations are,
i) Visible light ii) IR light
iii) UV light iv) Micro waves
Q. In Hydrogen atom electron is present in the N Shell. If it loose energy a spectral line may be observed in the region
(a) Infra-red (b) visible
(c) ultra-violet (d) any of these