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Periodic Table Review
Periodic Table Review
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Review of periodic trends for tenth graders
Flashcards
30 cards
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Practice quiz
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Questions
30
Answers
1
How is Z
effective
calculated? (Effective nuclear charge)
Protons minus electrons
Outer electrons minus core electrons
Protons minus core electrons
Protons minus neutrons
2
Which of the following has the greatest electron affinity?
K
Na
F
Ba
3
What is the difference in atomic number between He and Ne?
32
8
18
2
4
Mendeleev listed on cards each element's name, atomic mass, and
atomic number
isotopes
electron configuration
properties
5
Elements in the s and p blocks of the periodic table are called
main group elements
metals
alloys
transition metals
6
Which of the following has the greater electronegativity?
Ba
F
K
Na
7
Which period 2 element would have the highest boiling point?
neon
lithium
oxygen
carbon
8
An electron that determines the atom's chemical properties is a(n)
paired electron
extra electron
valence electron
opposite-spin electron
9
Across a period in the periodic table, atomic radii generally
increase
increase, then decrease
Decrease
decrease, then increase
10
Which is the best explanation for the fact that the Cs atom is larger than the Rb atom?
Cesium has a larger molar mass than rubidium
Cesium is below rubidium in group I of the PT
Cesium has one more energy level than rubidium
Cesium has a 18 more protons than rubidium
11
What can be removed from an atom if ionization energy is supplied?
a proton
an ion
an electron
a neutron
12
Going down a group, atomic radii generally
increase
vary unpredictably
decrease
remain constant
13
Which of these noble gases has the greatest atomic number?
Rn
Kr
Ar
Xe
14
Which of the following lists the elements in order of increasing first ionization energy?
Li<Be<B<C
C<Be<B<Li
Li<B<Be<C
Li<Be<C<B
15
Which group of elements was discovered by Strutt and Ramsay?
noble gases
lanthanides
halogens
actinides
16
What is the trend in melting point as you go from left to right across period 3 of the PT?
remains constant
increases then decreases
generally increases
generally decreases
17
Elements in Group 18 have
very low reactivity
very high reactivity
good conductivity
metallic character
18
On most periodic tables, the lanthanides and actinides appear
below the main portion
on a separate page
at the top
on the back
19
He grouped elements according to their
atomic numbers
isotopes
names
properties
20
The atomic radius of an atom that is chemically bonded to an identical atom is equal to
the distance between the nuclei
half the distance between the nuclei
1/4 the distance between the nuclei
twice the disctance between the nuclei
21
in nature the alkali metals are found only in compounds because they
each have a stable octet
are rare elements
have small atoms
are very reactive elements
22
An element with the smallest anionic (negative ion) radius would be from
Group 17, Period 2
Group 1, Period 7
Group 3, Period 4
Group 5, Period 3
23
His work led to a periodic table based on increasing atomic number
Rutherford
Cannizzaro
Moseley
Mendeleev
24
Which of the following best represents the 1st ionization energy of Mg?
Mg + 2e- --> Mg2-
Mg --> Mg2+ + 2e-
Mg + e- --> Mg -
Mg --> Mg+ + e-
25
Mendeleev predicted that gaps in his table were
unstable elements
radioactive elements
undiscovered elements
ions
26
Across a period in the periodic table, ionization energy generally
increases
decreases, then increases
remains constant
decreases
27
Which of the following has the largest atomic radius?
K
Na
F
Ba
28
The periodic law states that properties of elements are functions of their atomic
masses
numbers
radii
structures
29
A repeating pattern is referred to as
irregular
periodic
unpredictable
a group
30
Going down a group, the change in Ionization energy is due to
increasing electron shielding
decreasing charge of the nucleus
increasing neutrons in nucleus
decreasing atomic radii
