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WorksheetsRegents Chemistry Bonding Review
Total questions: 15
Worksheet time: 11mins
Based on Table S, an atom of which element has the strongest attraction for electrons in a chemical bond?
Aluminum
Chlorine
Magnesium
Sulfur
Which diatomic molecule is formed when two atoms share six electrons?
H2
O2
N2
F2
Which symbol represents an atom in the ground state with the most stable electron configuration?
B
O
Li
Ne
Which compound has the least ionic character?
KBr
HF
MgO
BrCl
The bonds in BaO are best described as
covalent, because valence electrons are shared
covalent, because electrons are transferred
ionic, because valence electrons are shared
ionic because electrons are transferred
Which property best accounts for the conductivity of metals?
the relatively high first ionization energy
the malleability of most metals
the free electrons in the valence energy levels
the filled inner electron energy levels
The results of these tests suggest that
both solids contain only ionic bonds
both solids contain only covalent bonds
Solid A contains only covalent bonds and solid B contains only ionic bonds
Solid A contains only ionic bonds and solid B contains only covalent bonds
The bond between which two atoms is most polar?
H-O
F-F
C-O
N-H
Which phrase describes the distribution of charge and the polarity of a CH4 molecule?
symmetrical and polar
symmetrical and nonpolar
asymmetrical and polar
asymmetrical and nonpolar
Based on bond type, which compound has the highest melting point?
CH3OH
C6H14
CaCl2
CCl4
The liquids hexane and water are placed in a test tube. The test tube is stoppered, shaken, and placed in a test tube rack. The liquids separate into two distinct layers because hexane and water have different
formula masses
molecular polarities
pH values
specific heats
What is the chemical formula for ammonium sulfide?
(NH4)2S
(NH4)2SO3
(NH4)2SO4
(NH4)2S2O3
What is the name of PbO2
Lead Oxide
Lead (II) Oxide
Lead (IV) Oxide
Lead Hydroxide
Which element consists of positive ions immersed in a "sea" of mobile electrons?
Sulfur
Nitrogen
Calcium
Chlorine
Which formula represents a tetrahedral molecule?
CH4
CaCl2
HBr
Br2
