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Chemistry 101 Flashcards | StudBud

Explore/Chemistry 101

Hydrogen bonding refers to

Polar substances

Chemistry 101

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Review chemistry concepts in biology

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Questions 10

Answers

1
Polar substances
results from unequally sharing of electrons
have a slight negative and positive end
dissolve in water
all the above are correct
2
Hydrogen bonding refers to
a covalent bond with Hydrogen
an acidic substance
bonding between molecules
an ionic bond with Hydrogen
3
Which elements form the majority of structures in the body?
Carbon and Sodium
Hydrogen and Gold
Oxygen and Nitrogen
Carbon and Hydrogen
4
Hydrophobic substances
will not dissolve in water
are non-polar
all the above are correct
do not have a slightly positive and negative end
5
Radioisotopes are used
for medical diagnostics
for determining the age of something
both Answer 1 and 2 are correct
6
Organic molecules are
always very large molecules
2 or more atoms ionically bonded
carbon containing elements bonded to each other and hydrogen
carbon compounds that are radioactive
7
Hydrophilic molecules
have gained or lost and electron
are polar and do not dissolve in water
are polar and dissolve in water
are non-polar and dissolve in oil
8
Biochemistry is the study of
English language in English class
reactions and molecules in living things
derivatives in calculus
vectors in physics class
9
Ions
have gained or lost electrons
dissolve in water
all the above are correct
have a charge
10
Isotopes are
atoms with same number of protons but different masses
atoms with same number of neutrons
atoms that are unstable
atoms with same number of Protons but different Electrons