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Periodic Table
Periodic Table
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Periodic Table
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
The black zigzag line separates what?
solids from liquids
metalloids from gases
solids from gases
metals from nonmetals
2
Second group of the periodic table.
noble gases
alkaline earth metals
alkali metals
transition metals
3
Halogens are elements with properties that fall between those of metals and nonmetals.
True
False
4
Most elements are___.
metals
noble gases
nonmetals
liquids
5
The periodic table is arranged in ABC order.
False
True
6
Group 18 is unreactive and called the
actinides
halogens
noble gases
transition metals
7
Elements of the same group have similar properties because they have the same number of protons
False
True
8
Elements 1 - 93
are all gases
occur in nature
are man-made
are all liquids
9
Metals are good conductors of electricity and heat.
True
False
10
Elements in groups 3 - 12 are called
transition metals
alkaline earth metals
noble gases
halogens
11
Elements at the bottom were pulled out to keep the table from being too long; the first row
alkali metals
alkaline earth metals
actinides
lanthanides
12
How many periods does the Periodic Table have?
9
8
18
7
13
How many neutrons are in Aluminum?
27
13
14
3
14
Indicates the number of valence electrons that an atom has.
Group Number
Row/Period Number
15
Indicates the number of energy levels that an atom has.
Row/Period Number
Group Number
16
Elements that touch or border the zigzag line are classified as ___.
metalloids
noble gases
nonmetals
metals
17
Group 17 is also called
lanthanides
alkali metals
noble gases
halogens
18
How many protons are in an atom of Silicon?
14
7
28
3
19
First group in the periodic table
alkaline earth metals
transition metals
noble gases
alkali metals
20
How many groups are in the periodic table?
7
9
8
18
