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Periodic Table Flashcards | StudBud
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Periodic Table
Periodic Table
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A final review following a periodic table unit.
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
How many valence electrons does Nitrogen have?
15
7
2
5
2
What is NOT true of the group of elements shown.
They are called Noble Gases
Most have 8 valence electrons
They are very reactive
They all have a full outer shell of electrons
3
What is the most reactive group of metals?
Alkali metals
Halogen
Transition Metals
Alkaline Earth Metals
4
Who created the first periodic table?
Rutherford
Mosely
Dalton
Mendeleev
5
Horizontal rows on the periodic table
Groups
Classes
Periods
Families
6
How is the modern periodic table arranged?
increasing energy levels
Increasing atomic mass
Increasing atomic number
increasing valence electrons
7
Elements in the same period have what in common?
Similar Density
Number of valence electrons
Similar properties
Number of occupied energy levels
8
What element are to the right side of the stair step line?
transistion metals
nonmetals
metals
metalloids
9
The ability of a metal to be drawn into a wire is a property known as
ductility
malleability
conductivity
brittleness
10
What elements are located along the stair-step line?
metalloids
inner transition metals
transition metals
metals
11
What is the general trend in reactivity of the metals as you move down a group?
Each group of metal has a different pattern
More reactive at bottom
More reactive at top
12
What are valence electrons
Electrons in the innermost energy level.
Electrons in the outermost energy level
13
elements shown in image
transition metals
alkali metals
metalloids
inner transition metals
14
Number of valence electrons increases as you move
across a period
There is no pattern in valence electrons
Down a group
15
What is the name of group 2A?
Alkali Metals
Alkaline Earth Metals
Halogens
Noble Gases
16
Vertical columns on periodic table
periods
rows
groups
classes
17
elements shown below
transition metals
lanthanides
actinides
alkali metals
18
Metals have all of the properties listed EXCEPT...
Malleable
Shiny
Brittle
Good conductors of heat and electricity
19
How was Mendeleev's periodic table arranged?
increasing number of valence electrons
Increasing atomic mass
Increasing atomic number
increasing energy levels
20
The most reactive nonmetal on the periodic table is
Flourine
Astitine
Helium
Carbon
