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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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Focus on #nonmetals and #metals. #science #chemistry #elements #atoms #biology
Flashcards
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Questions
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Answers
1
Most nonmetals are found at the __________ of the periodic table.
Left
Right
Bottom
Top
2
Which two elements are the only nonmetals in the nitrogen family?
Phosphorus and arsenic
Nitrogen and carbon
Nitrogen and phosphorus
Nitrogen and palladium
3
Metalloids are __________.
Very reactive
Liquids
Somewhat reactive
Not reactive
4
Substances that can conduct electric current in some circumstances but not other circumstances.
Diatomic molecules
Semiconductors
Noble gases
Halogens
5
How many electrons does iron(Fe) have?
27
25
26
56
6
A molecule made up of two atoms are called __________.
Halogen
Nonmetal
Metalloid
Diatomic molecule
7
Halogens are __________.
Somewhat reactive
Very reactive
Not reactive
Not useful
8
How many protons does oxygen(O) have?
16
8
9
7
9
Noble gases are __________.
None of the above
Somewhat reactive
Very reactive
Not reactive
10
Which element is not grouped with the other nonmetals(on the left side of the periodic table)?
phosphorus
Oxygen
Helium
Hydrogen
11
How many neutrons does potassium(K) have?
15
19
5
21
12
The carbon family lies in group __________.
18
1
14
7
13
All metalloids are __________ at room temperature.
Gases
Plasma
Solids
Liquids
14
Nonmetals have a __________ luster.
Low
None of the above
High
Medium
15
A metalloid has properties of __________.
Nonmetals
Metals
Both metals and nonmetals
Neither metals nor nonmetals
16
What are metalloids'
most useful
property?
Hard
Electric conductivity
Solid
Brittle
17
Metalloids are found on the _________ of the periodic table.
Left side
Bottom
Top
Stairs
18
Which group makes up most of the periodic table?
Metalloids
Noble gases
Metals
Nonmetals
19
Nonmetals are __________.
Ductile
Good conductors of heat and electic current
Dull and brittle
Malleable
