Which of the following statements is TRUE?
A) A molecular formula gives the actual number of atoms of each element in a molecule.
B) The structural formula shows the geometry of the molecule.
C) Metals and nonmetals bond to form a molecular compound.
D) Covalently bonded nonmetals produce an ionic compound.
E) Organic compounds containing double bonds between the carbon atoms are known as alkynes.
Correct Answer:
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Q74: Which of the following statements is FALSE?
A)
Q75: Which of the following is a formula
Q76: What is the common name of the
Q77: Calculate the molar mass of Al(C2H3O2)3.
A) 86.03
Q78: Identify an amine.
A) CH3CH2OCH2CH3
B) CH3CH2OH
C) CH3CH2NH2
D) CH3CH2CH2CH3
E)
Q80: Calculate the molar mass for Mg(ClO4)2.
A) 223.21
Q81: How many C2H4 molecules are contained in
Q82: How many molecules are in 114.86 g
Q83: How many millimoles of Ca(NO3)2 contain 4.78
Q84: Calculate the mass percent composition of sulfur
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