The mass of one mole of electron is________________?
The mass of one mole of electron is________________?
A. 1.008
B. 0.55
C. 0.184
D. 1.637
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Which of the following is the best explanation that CO2 is non polar molecule __________________?
Which of the following is the best explanation that CO2 is non polar molecule __________________?A. Linear geometry
B. Dipole moment is zero
C. Sp hybridization
D. NonePfund series are produced in the spectrum of hydrogen atom__________________?
Pfund series are produced in the spectrum of hydrogen atom__________________?A. when electrons jump down to 2nd- orbit
B. when electrons jump down to 3rd- orbit
C. when electrons jump down to 4th- orbit
D. when electrons jump down to 5th- orbitElectronic configuration of K is_________________?
Electronic configuration of K is_________________?A. [Ar]4s2
B. [Ar]4s1
C. [Kr]5s1
D. [He]2s1Which of the following can be separated by ” Sublimation Method”?
Which of the following can be separated by ” Sublimation Method”?A. Sand and Iron Filing
B. Sand and Naphthalene
C. Both A & B
D. NoneShielding effect across the period_________________?
Shielding effect across the period_________________?A. Increases
B. Decreases
C. Can not be predicted
D. Remains constantSize of molecule depends upon________________?
Size of molecule depends upon________________?A. Atomicity
B. Shape of molecule
C. Both A and B
D. Difficult to predict