Everyday Science MCQs

5120 MCQs  (Page 321 of 512)

Attempt Everyday Science MCQs Quiz
Geometry of molecule will be pyramidal if the outer post shell of the central atom has___________________?
A. 3 bond pair one lone pair
B. 2 bond pair 2 lone pair
C. 1 bond pair 3 lone pair
D. 3 lone pair 1 bond pair
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In a period electronegativity from left to right_________________?
A. Increases
B. Decreases
C. Remain constant
D. Variable trend
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Molecular orbitals are filled according to _________________?
A. Auf bau principle
B. Hunds rule
C. Paulis exclusion principle
D. All these
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Which one shows high %age of the ionic character ?
A. H2o
B. Hf
C. Hci
D. Hbr
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Which of the following have their outer most shell complete in atomic form ?
A. Noble gases
B. Alkali metals
C. Coinage metals
D. Gun metals
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nergy of atom in compound is___________________?
Ea. higher than individual
B. Lesser than individual
C. No change
D. Impossible to predict
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An atom loses or gains electrons to__________________?
A. Gain stability
B. Form a bond
C. Complete its outermost shell
D. All are accurate justifications
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In a group ionic radius ?
A. Increases
B. Decreases
C. No change
D. Variable trend
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Ionization energy in a period generally ___________________?
A. Increases
B. Decreases
C. No change
D. Variable trend
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Elements having high I.P values are____________________?
A. Metals
B. Non metals
C. Liquids
D. Solids
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Word of the Day
25 Jul
January
a preference or special liking for something; a bias in favour of something.
2021:00:00

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