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Chemical Bonding Molecular Structure
Quiz 3
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Q.1
The reason that salt crystallines, such as KCl, are held together so well is because the cations are strongly attracted to:
neighboring cations
protons in the nucleus of the bonding atom
delocalized electrons
neighboring anions
Q.2
The octet rule means that all valence shells want to have the number......
1
9
8
16
Q.3
The most electronegative atom in the periodic table is:
Fluorine
Helium
Neon
Francium
Q.4
Which of the following combinations could be described by the "sea of electrons" model?
gold-silver alloy
gold chloride
Cl2
NaCl
Q.5
The correct decreasing order of the boiling points of Hand NH3 is:
H2O > NH3
NH3 > H2O
Q.6
The chemical formula of iron (III)bromide is
FeBr
Fe(III)Br
FeBr₃
Fe₂Br₃
Q.7
The ability of an atom in a molecule to attract electrons is best quantified by the ______.
electronegativity
paramagnetism
diamagnetism
first ionization energy
0 h : 0 m : 1 s
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