Ionic bonds are formed when
A) atoms share electrons.
B) electrons are completely transferred from one atom to another.
C) a pair of electrons is shared unequally by two atoms.
D) hydrogen forms bonds with negatively charged atoms.
E) two or more atoms lose electrons at the same time.
Correct Answer:
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Q21: The molecule CO2 is known as
A) carbonized
Q24: Ions with a + charge are called
A)
Q27: Magnesium atoms have two electrons in their
Q30: Which of the following is not a
Q31: Ions with a negative charge are called
A)cations.
B)anions.
C)protons.
D)positrons.
E)polar
Q34: H2O is an example of a(n)
A)ionic formula.
B)glucose
Q35: The molecule O2 is known as
A)oxide.
B)oxygen.
C)organic.
D)oxygen and
Q36: The weakest bond between two atoms is
Q37: In an aqueous solution,cations are attracted toward
A)water.
B)salt.
C)buffers.
D)anions.
E)hydrogen
Q47: In chemical notation, the symbol Ca2+ means
A)
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