The nucleus of an atom is composed of
A) protons.
B) neutrons.
C) electrons.
D) protons and neutrons.
E) protons and electrons.
Correct Answer:
Verified
Q12: The strongest chemical bonds are
A)hydrogen bonds.
B)Van der
Q13: When one oxygen atom shares two pairs
Q14: Amphipathic molecules
A)possess only hydrophilic properties.
B)possess only hydrophobic
Q15: The atomic number of an atom is
A)the
Q16: The most hydrophilic substance is
A)water.
B)an ion.
C)oil.
D)an amphipathic
Q18: Molecules
A)are derived from the ionic bonding of
Q19: Carbon has 4 electrons and hydrogen has
Q20: For water to vaporize
A)energy must be supplied.
B)energy
Q21: Based on the colligative properties of water,what
Q22: Water
A)is nonpolar.
B)has a low heat of vaporization.
C)has
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