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CHEMISTRY

Chemistry
Two electrons in an orbital are differentiated by which of the following ?

Principal quantum number
Spin quantum number
Magnetic quantum number
Azimuthal quantum number

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Chemistry
When cathode rays strike a target of high atomic weight, they give rise to

?-rays
Positive rays
X-rays
? and ? rays

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Chemistry
How many electrons can be accommodated in d-orbital

10
3
6
8

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Chemistry
The scientist who experimentally proved the existance of positron is

Bethe
Fermi
Anderson
Bohr

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Chemistry
When there are two electrons in the same orbital, they have:

Opposite spin
Same or opposite spin
Same spin
No spin

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