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