SAT Subject Test Chemistry,10 edition

(Marvins-Underground-K-12) #1

106 .


I II
An element with an atomic number of X and mass
number of N has Nā€“X neutrons

BECAUSE elements    have    more    neutrons    than    protons.

107 .


I II
Radioactive decay has a characteristic half-life BECAUSE first-order kinetics are found in radioactive decay.

108 .


I II
Sulfur chemically resembles oxygen BECAUSE they are in the same period.

109 .


I II
A nonelectrolyte does not ionize in water BECAUSE the solution does not conduct electricity.

110 .


I II
SO 3 diffuses more slowly than CO 2 BECAUSE it has smaller bond angles.

111 .


I II
Hydrogen bonding is stronger BECAUSE noble gases have a large dipole moment.
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