1 - Revsworld

Download Report

Transcript 1 - Revsworld

Chemistry, The Central Science, 11th edition
Theodore L. Brown, H. Eugene LeMay, Jr.,
Bruce E. Bursten,
and Catherine J. Murphy
Chapter 7
Periodic Properties of Elements
Dana & Michelle Chatellier
University of Delaware
© Copyright 2009, Pearson Education
An element that is a soft, gray
solid reacts vigorously with water
to produce a flammable gas and
a basic aqueous solution. The
element is most likely to be a:
a.
b.
c.
d.
noble gas.
halogen.
group 2A metal.
transition metal.
An element that is a soft, gray
solid reacts vigorously with water
to produce a flammable gas and
a basic aqueous solution. The
element is most likely to be a:
a.
b.
c.
d.
noble gas.
halogen.
group 2A metal.
transition metal.
Which choice below correctly
lists the elements in order of
increasing atomic radii?
a.
b.
c.
d.
Na < Mg < K < Rb
Mg < Na < K < Rb
Rb < K < Na < Mg
Rb < K < Mg < Na
Which choice below correctly
lists the elements in order of
increasing atomic radii?
a.
b.
c.
d.
Na < Mg < K < Rb
Mg < Na < K < Rb
Rb < K < Na < Mg
Rb < K < Mg < Na
Two ions are referred to as
isoelectronic if they have the
same number of:
a.
b.
c.
d.
electrons.
protons.
atoms.
neutrons.
Two ions are referred to as
isoelectronic if they have the
same number of:
a.
b.
c.
d.
electrons.
protons.
atoms.
neutrons.
Which statement is false?
a. Fluoride ions are larger than
rubidium ions.
b. Bromide ions are larger than
sodium ions.
c. Iodide ions are larger than
rubidium ions.
d. Chloride ions are larger than
potassium ions.
Which statement is false?
a. Fluoride ions are larger than
rubidium ions.
b. Bromide ions are larger than
sodium ions.
c. Iodide ions are larger than
rubidium ions.
d. Chloride ions are larger than
potassium ions.
The energy required to remove
an electron from an atom in its
ground state is known as the:
a.
b.
c.
d.
potential energy.
activation energy.
electron affinity.
ionization energy.
The energy required to remove
an electron from an atom in its
ground state is known as the:
a.
b.
c.
d.
potential energy.
activation energy.
electron affinity.
ionization energy.
Which choice correctly lists the
elements in order of increasing
electron affinity (most negative
to least negative)?
a.
b.
c.
d.
O, Cl, B, C
O, Cl, C, B
Cl, O, C, B
Cl, O, B, C
Which choice correctly lists the
elements in order of increasing
electron affinity (most negative
to least negative)?
a.
b.
c.
d.
O, Cl, B, C
O, Cl, C, B
Cl, O, C, B
Cl, O, B, C
Which choice correctly lists the
elements in order of increasing
first ionization energy?
a.
b.
c.
d.
Na < Ca < Al < Sn
Na < Al < Ca < Sn
Na < Al < Sn < Ca
Ca < Na < Sn < Al
Which choice correctly lists the
elements in order of increasing
first ionization energy?
a.
b.
c.
d.
Na < Ca < Al < Sn
Na < Al < Ca < Sn
Na < Al < Sn < Ca
Ca < Na < Sn < Al
An unknown solid gives a green
flame test. When it was
dissolved in water and reacted
with NaOCl, a purple color
appeared. The unknown is:
a.
b.
c.
d.
barium bromide.
calcium iodide.
barium iodide.
calcium bromide.
An unknown solid gives a green
flame test. When it was
dissolved in water and reacted
with NaOCl, a purple color
appeared. The unknown is:
a.
b.
c.
d.
barium bromide.
calcium iodide.
barium iodide.
calcium bromide.
Characteristics of noble gases
include:
a.
b.
c.
d.
filled s and p subshells.
monatomic gases.
generally unreactive chemically.
all of the above.
Characteristics of noble gases
include:
a.
b.
c.
d.
filled s and p subshells.
monatomic gases.
generally unreactive chemically.
all of the above.
Ozone is an allotrope of which
element?
a.
b.
c.
d.
hydrogen
oxygen
sulfur
chlorine
Ozone is an allotrope of which
element?
a.
b.
c.
d.
hydrogen
oxygen
sulfur
chlorine