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WorksheetsChemical Bond
Total questions: 20
Worksheet time: 10mins
How many electrons are shared in a triple bond between two nitrogen atoms?
6
5
4
How many electrons are shared in a double bond between two oxygen atoms?
4
3
2
How many electrons are shared in a single bond between two hydrogen atoms?
3
4
2
Which of the following pairs of atoms are most likely to form a covalent bond?
Two metal atoms
Two nonmetal atoms
A metal atom and a nonmetal atom
Which of the following pairs of elements is likely to bond covalently?
Mg and Cl
P and F
Fe and H
The word “covalent” can be broken into two parts: “co” and “valent.” The “co” part means “together.” To what does the “valent” part refer?
Outer electrons
Inner electrons
Inner electrons
Which of the following substances contains polar covalent bonds?
NaO2
HO2
H2
Which of the following substances contains both covalent and ionic bonds?
BaCO3
CO2
HO2
A mutual electrical attraction between the nuclei and valence electrons of different atoms that
binds the atoms together is called __________.
chemical bond
polar covalent
acid
A chemical bond resulting from the electrostatic attraction between positive and negative ions is
called
covalent
ionic
polar
A covalent bond results when ____ are shared.
electrons
ions
bond
Which one is not a polymer?
carbohydrates
carboxylic acid
proteins
Which one is a natural polymer?
polypropylene
cellulose
polygon
Which substance is made up of many monomers joined together in long chains?
salt
ethanol
cellulose
Amino acids are the building blocks of _______
proteins
lipids
carbohydrates
Which of the following are example of synthetic rubber?
Polychloroprene
Polyacrylonitrile
cis-polyisoprene
Which polymer is naturally occurring?
Starch
Polyvinyl chloride
Polyethylene
What do monomers form?
Sugars
Long chains
bond
Type of polymers made in a laboratory .
monomer
synthetic
inorganic
Which of the following polymers of glucose is stored by animals?
Cellulose
Amylose
glycogen
