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Unit 5: The Periodic Table Review Flashcards | StudBud
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Unit 5: The Periodic Table Review
Unit 5: The Periodic Table Review
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Review for Unit 4: Test
Flashcards
17 cards
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Practice quiz
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Questions
17
Answers
1
Elements within the same vertical column
belong to the same period.
are arranged alphabetically.
have similar, but not identical properties.
have identical properties.
2
The elements to the left of the dark zigzag line on the periodic table are
nonmetals.
gases.
both metals and nonmetals.
metals.
3
How many neutrons does Sodium-23?
23
11
12
1
4
What PERIOD is Phosphorus in?
VA
1
2
3
5
These elements are poor conductors of heat and electrical current.
nonmetals
halogens.
metalloids
metals
6
Elements within the same group have similar _________________.
Number of Protons
Similar number of energy levels
properties
Atomic Numbers
7
NEUTRAL Calcium has how many ELECTRONS?
40.08
4
2
20
8
Elements that are in Group 8A
halogen group.
alkali metals.
noble gases.
alkaline earth metals.
9
An electron that is in the highest occupied energy level of an atom?
Orbital
Noble Gas
Valence electron
Proton
10
Lithium, Calcium and Iron are all this CLASS of element?
Metal
Nonmetal
Rare Earth Metal
Metalloid
11
The elements that are in group 7 and have 7 valance electrons.
halogens.
alkali group.
noble gases.
rare-earth elements.
12
Noble gas with only 2 electrons
Ar
Ne
He
Kr
13
What is the ATOMIC NUMBER of Fluorine?
2
7
9
19.00
14
This means bendable.
Boiling Point
Ductile
Gas
Malleable
15
Silicon, Germanium and Aresenic are this type of element?
Transition Element
Metalloid
Metal
Nonmetal
16
Why did Mendeleev leave some locations on his periodic table BLANK?
for metals.
For elements to name after him.
he forgot to put elements there.
for Undiscovered elements.
17
The horizontal rows of elements in the periodic table are called
keys.
periods
groups.
families
