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Periodic Table Review 2020-21 Flashcards | StudBud
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Periodic Table Review 2020-21
Periodic Table Review 2020-21
15 terms
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Using the colored periodic table to find out information about elements
Flashcards
15 cards
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Practice quiz
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Questions
15
Answers
1
When writing a chemical symbol for an element, capitalization does not matter.
false
true
2
Most of the elements on the Periodic Table are
metals
metalloids
nonmetals
3
The atomic number is
protons + neutrons +electrons
the number neutrons
protons + neutrons
the number of protons
4
How many energy levels are in an atom of Zirconium (Zr)?
4
5
7
6
5
Which is NOT a property of metals?
high melting point
high luster
ductile
brittle
6
How many elements are in group 2?
2
4
8
6
7
How many
valence
electrons are in an atom of Xenon (Xe)?
54
8
18
2
8
How many energy levels are in an atom of Samarium (Sm)?
7
5
6
4
9
On the Periodic Table, what is the SAME about every element in the same period (row)?
whether they gain or lose electrons
number of energy levels
mass number
number of valence electrons
10
How many elements are in period 1?
18
8
2
7
11
The mass number of an atom is
protons + neutrons
neutrons + electrons
protons + neutrons + electrons
protons + electrons
12
How many
valence
electrons are in an atom of strontium (Sr)?
5
38
2
1
13
Which element has 3 valence electrons and 4 energy levels?
None
Ga
Sc
Si
14
Which is NOT a property of nonmetals?
low melting point
malleable
brittle
poor conductors
15
On the Periodic Table, what is the SAME about every element in the same group (column)?
atomic number
mass number
number of valence electrons
number of energy levels
