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प्रश्न
Which sub-atomic particle was discovered by Chadwick.
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उत्तर
Chadwick discovered neutrons.
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संबंधित प्रश्न
What is an electron? State its relative mass and charge.
The atom of an element X has 7 electrons in its M shell.
What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
What could element X be?
Write down the electronic configuration of the following:
(a) `""_13^27"Y"`
(b) `""_17^35"Y"`
If electrons are getting added to en element Y; then
Is Y getting oxidized or reduced?
If electrons are getting added to en element Y; then
What charge will Y migrate to during the process of electrolysis?
The electronic configuration of nitrogen is (2, 5). How many electrons in the outer shell of a nitrogen atom are not involved in the formation of a nitrogen molecule?
In the formation of (i) oxygen molecule (ii) carbon tetrachloride molecule, state the following:
- Electronic configuration of nearest inert gas attained.
- How many electrons are shared/transferred in bond formation
- Which type of bonds these compounds form?
- Draw their orbital diagrams.
Cathode rays are made up of
In a television tube, Cathode rays are deflected by magnetic fields.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
