The geometry of ammonia is___________________?
A. Tetrahedral
B. Square planner
C. Trigonal bipyramidal
D. Trigonal Pyramidal
Submitted by :- Jamil Ahmed
CHEMISTRY
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The Lewis acids are__________________?
A. Electron deficient
B. Electron rich
C. Octet is complete
D. No such acids exist
Submitted by :- Jamil Ahmed
Mostly ionic compound are produced in between elements of_________________?
A. IA and VIA
B. IA IIA and VIIA
C. IB and VIIB
D. IA and IB
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Elements of group IA IIA are _________________?
A. Electronegative
B. Electropositive
C. Neutral
D. IA is electropositive while IIA is electronegative
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Energy released or absorbed when electrons are added in atom is_________________?
A. Ionization potential
B. Electronegativity
C. Electron affinity
D. Activation energy
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Greater shielding effect corresponds to ionization energy value___________________?
A. Greater
B. Lesser
C. Remain same
D. No effect
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Energy required to remove electron from an atom______________?
A. Ionization potential
B. Electronegativity
C. Electron affinity
D. Activation energy
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In a period the atomic radius ?
A. Increases
B. Decreases
C. Remain same
D. First decreases then increases
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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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Shielding effect across the period ________________?
A. Increases
B. Decreases
C. Constant
D. None
Submitted by :- Jamil Ahmed