A. Gain stability
B. Form a bond
C. Complete its outermost shell
D. all are accurate justifications
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Related Mcqs:
- A metallic atom loses its valence electron to form a/an _________?
A. an anion
B. a cation
C. an anion – cation
D. none of theseSubmitted by: Aamir khan Hullio
- Energy released or absorbed when electrons are added in atom is_________________?
A. Ionization potential
B. Electronegativity
C. Electron affinity
D. Activation energy - The specie which donates electrons to central metal atom in coordination sphere is called____________________?
A. anion
B. cation
C. Ligand is positively charged
D. acid - A specie with maximum number of unpaired electrons ?
A. F
B. H2O
C. HF
D. NH-2 - The relative attraction of the nucleus for the electrons in a chemical bond is called _________________?
A. Ionization energy
B. Electron affinity
C. Electro negativity
D. None of the above - Which one has maximum number of unpaired electrons ?
A. 6X
B. 7Y
C. 9Z
D. 13W - Which specie has unpaired electrons in antibonding molecular orbitals_______________?
A. O2+2
B. N2-2
C. B2
D. O2-2 - Space around nucleus where finding probability of electrons is maximum is called ____________________?
A. Orbital
B. Orbit is elliptical
C. subshell
D. Electron cloud - In Galvanic cell electrons flow from anode to cathode through__________________?
A. external electric circuit
B. salt bridge
C. movement of ions
D. all of the above - How many electrons are there in benzene to form delocalized electron cloud________________?
A. 3
B. 4
C. 6
D. 8
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