CHEMISTRY 101 FINAL EXAM QUESTIONS WITH
VERIFIED ANSWERS
atomic radius _______ from left to right and ____ from top to bottom of the periodic
table - Answers - decreases, increases
when comparing two different valence orbitals on two different atoms, the atom with
lower energy has a _____ radius. - Answers - smaller
when comparing the same valence orbital on different atoms, the criterion is the _____.
- Answers - nuclear charge (# of protons, atomic #)
Nuclear charge ____ as you go from left to right across the periodic table. (Nuclear
charge = atomic number) - Answers - increases
protons + neutrons = ? - Answers - atomic number
Ionization energy, electronegativity, and electron affinity all ____ from left to right and
____ from top to bottom on the periodic table. - Answers - increase, decrease
Elements get ______ going across the periodic table from left to right. - Answers -
smaller
One half of a p-orbital is usually shaded because - Answers - the value of the wave
function is a different sign in the two halves
Deflection of a charged particle in a charged field is proportional to what ratio? -
Answers - charge/mass
HF(aq) - Answers - hydrofluoric acid
HCl(aq) - Answers - hydrochloric acid
HBO(aq) - Answers - hydrobromic acid
HI(aq) - Answers - hydroiodic acid
HCN(aq) - Answers - hydrocyanic acid
Lewis acids _____ electrons, and Lewis bases_______ electrons. - Answers - accept,
donate
sulfuric acid - Answers - H2SO4
, phosphoric acid - Answers - H3PO4
nitric acid - Answers - HNO3
carbonic acid - Answers - H2CO3
chloric acid - Answers - HClO3
perchloric acid - Answers - HClO4
HNO2 - Answers - nitrous acid
sulfurous acid - Answers - H2SO3
chlorous acid - Answers - HClO2
hypochlorous acid - Answers - HClO
acids are typically only formed when the net charge on the chemical species is ______.
- Answers - neutral (0)
For anions with a charge greater than 1-, addition of hydrogen ions will form polyatomic
ions with intermediate charge. These are named by adding _________ or
_______________ to the beginning of the name. - Answers - hydrogen, dihydrogen
Acetate - Answers - C2H3O2^1-
O2^2- - Answers - peroxide
As electronegativity difference increases between two elements, so does the
_________. - Answers - bond polarity
the further apart two elements are on the periodic table, the more _______ bond. -
Answers - polar
A process where a chemical species gains one or more electrons is called a ______. -
Answers - reduction
A process where a chemical species loses one or more electrons is called an _____. -
Answers - oxidation
A process where the oxidation state of an atom becomes more negative (or less
positive) is called a - Answers - reduction
VERIFIED ANSWERS
atomic radius _______ from left to right and ____ from top to bottom of the periodic
table - Answers - decreases, increases
when comparing two different valence orbitals on two different atoms, the atom with
lower energy has a _____ radius. - Answers - smaller
when comparing the same valence orbital on different atoms, the criterion is the _____.
- Answers - nuclear charge (# of protons, atomic #)
Nuclear charge ____ as you go from left to right across the periodic table. (Nuclear
charge = atomic number) - Answers - increases
protons + neutrons = ? - Answers - atomic number
Ionization energy, electronegativity, and electron affinity all ____ from left to right and
____ from top to bottom on the periodic table. - Answers - increase, decrease
Elements get ______ going across the periodic table from left to right. - Answers -
smaller
One half of a p-orbital is usually shaded because - Answers - the value of the wave
function is a different sign in the two halves
Deflection of a charged particle in a charged field is proportional to what ratio? -
Answers - charge/mass
HF(aq) - Answers - hydrofluoric acid
HCl(aq) - Answers - hydrochloric acid
HBO(aq) - Answers - hydrobromic acid
HI(aq) - Answers - hydroiodic acid
HCN(aq) - Answers - hydrocyanic acid
Lewis acids _____ electrons, and Lewis bases_______ electrons. - Answers - accept,
donate
sulfuric acid - Answers - H2SO4
, phosphoric acid - Answers - H3PO4
nitric acid - Answers - HNO3
carbonic acid - Answers - H2CO3
chloric acid - Answers - HClO3
perchloric acid - Answers - HClO4
HNO2 - Answers - nitrous acid
sulfurous acid - Answers - H2SO3
chlorous acid - Answers - HClO2
hypochlorous acid - Answers - HClO
acids are typically only formed when the net charge on the chemical species is ______.
- Answers - neutral (0)
For anions with a charge greater than 1-, addition of hydrogen ions will form polyatomic
ions with intermediate charge. These are named by adding _________ or
_______________ to the beginning of the name. - Answers - hydrogen, dihydrogen
Acetate - Answers - C2H3O2^1-
O2^2- - Answers - peroxide
As electronegativity difference increases between two elements, so does the
_________. - Answers - bond polarity
the further apart two elements are on the periodic table, the more _______ bond. -
Answers - polar
A process where a chemical species gains one or more electrons is called a ______. -
Answers - reduction
A process where a chemical species loses one or more electrons is called an _____. -
Answers - oxidation
A process where the oxidation state of an atom becomes more negative (or less
positive) is called a - Answers - reduction
