Structure Of Atom

Chemistry
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In potassium, the order of energy levels is:

A
3s > 3d
B
4s < 3d
C
4s > 4p
D
4s = 3d
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Which of the following is/are true as per Thomson's model of atom?

A
An atom is not electrically neutral.
B
An atom is a positively charged sphere with electrons embedded in it.
C
Negative and positive charges in the atom are equal in magnitude.
D
None of the above
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The orbital can give room only to:

A
electrons
B
electrons
C
electrons
D
electrons
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Which of the following properties are similar for isotopes?

A
Physical properties
B
Chemical properties
C
Both physical and chemical properties
D
Neither physical nor chemical properties
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The band spectrum is caused by:

A
molecules
B
atoms
C
any substance in solid state
D
any substance in liquid state
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