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Periodic Table Basics and Valence Electrons Flashcards | StudBud
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Periodic Table Basics and Valence Electrons
Periodic Table Basics and Valence Electrons
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#chemistry
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Questions
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Answers
1
What period is carbon in?
1
2
3
4
2
How is the modern periodic table arranged?
Based on atomic mass
Based on atomic number
Based on number of neutrons
Based on triads
3
Elements with similar chemical properties are in the same
Group
Period
4
How many valence electrons does aluminum (Al) have?
5
3
4
2
5
What group is phosphorus in?
5A
4A
3A
6A
6
Which element is in group 2, period 4?
C
Ca
Si
Mg
7
Which of the following helps identify the # of valence electrons for representative elements?
Atomic #
Group #
Mass #
Period #
8
Which element is in period 5 and has 6 valence electrons?
Te
Po
Se
Bi
9
The vertical columns of the periodic table are called
Periods
Groups
10
How many valence electrons does chlorine (Cl) have?
6
8
7
5
