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Periodic Table
Periodic Table
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Periodic Table Unit Review
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
Which group is highlighted in yellow?
Lanthanides
Alkaline earth metals
Noble gases
Alkali metals
2
Name the element that has 2 valence electrons in the second energy level.
Mg
Be
B
Li
3
What group is highlighted in yellow?
Halogens
Actinides
Alkali metals
Alkaline earth metals
4
Which two elements has the most similar chemical properties?
Cl & Br
C & P
I & Kr
Na & Mg
5
Semiconductors are best described as _____.
Metalloids
Metals
Nonmetals
6
Which group is highlighted in yellow?
Halogens
Actinides
Noble gases
Alkali metals
7
Horizontal rows on the periodic table are know as _____?
Columns
Groups
Periods
Families
8
Metals get more reacitve on the periodic table as you go _____?
Down and Left
Up
Left
Down
9
Metals have valence electrons that are _____?
Loosely held
Tightly held
Fill the valence shell
10
Elements that are in the same period on the periodic table have the same number of _____?
Protons
Electrons
Valence electrons
Energy levels
11
Most elements on the periodic table are _____?
Nonmetals
Metaloids
Metals
12
Elements in the same group have the same number of _____?
Protons
Electrons
Energy levels
Valence electrons
13
Dobereiner's triads suggested that the properties of an element are related to it's _____?
Atomic Mass
Periodicity
Atomic number
Atomic Radius
14
Columns on the periodic table are know as _____?
Both A & B
Groups
Families
None of these
15
Sulfur (S) is a _____?
Metaloid
Nonmetal
Metal
16
Which group is highlighted in yellow?
Actinides
Transition metals
Noble gases
Halogens
17
The fourth period on the periodic table has _____ elements?
2
8
18
32
18
Who classified elements into groups of three?
Proust
Currie
Mendeleev
Dobereiner
19
How many natural occuring metaloids are on the periodic table?
10
7
6
8
20
Name the element that has five valence electrons in the third energy level.
As
Al
Ga
P
