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Periodic Table SJA Flashcards | StudBud
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Periodic Table SJA
Periodic Table SJA
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A final review following a periodic table unit.
Flashcards
25 cards
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Practice quiz
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Questions
25
Answers
1
Which is the correct Lewis Dot diagram for Helium?
A
B
C
D
2
What element are to the right side of the stair step line?
transistion metals
metalloids
metals
nonmetals
3
How was Mendeleev's periodic table arranged?
Increasing atomic mass
increasing energy levels
increasing number of valence electrons
Increasing atomic number
4
What is the most reactive group of metals?
Alkali metals
Transition Metals
Alkaline Earth Metals
Halogen
5
elements shown in image
alkali metals
Lanthanides+Actinides (inner transition metals)
metalloids
transition metals
6
What is NOT true of the group of elements shown.
They are very reactive
Most have 8 valence electrons
They are called Noble Gases
They all have a full outer shell of electrons
7
Elements in the same period have what in common?
Number of valence electrons
Similar properties
Number of occupied energy levels
Similar Density
8
How many valence electrons does Nitrogen have?
5
2
15
7
9
What elements are located along the stair-step line?
metals
transition metals
metalloids
inner transition metals
10
Vertical columns on periodic table
groups
rows
classes
periods
11
Metals have all of the properties listed EXCEPT...
Brittle
Shiny
Malleable
Good conductors of heat and electricity
12
The most reactive nonmetals on the periodic table is
alkali metals
alkaline earth metals
noble gases
halogens
13
How would you write a Sodium ion in a Louis dot structure?
[Na]2+
[Na]1+
[Na]1-
14
What are valence electrons
Electrons in the outermost energy level
Electrons in the innermost energy level.
15
What is the octet rule?
Octopuses have 8 tentacles.
All atoms want to have 2 valence electrons.
All atoms want a full valence shell.
All atoms want to have 8 total electrons.
16
Who created the first periodic table?
Mosely
Mendeleev
Dalton
Rutherford
17
elements shown below
lanthanides
transition metals
alkali metals
actinides
18
Do metals gain or lose electrons?
lose
gain
19
Horizontal rows on the periodic table
Classes
Families
Groups
Periods
20
How many dots should this Chlorine ion, Cl-, Lewis Dot Structure have?
6
8
7
9
21
Hydrogen? Metal, nonmetal, or metalloid
nonmetal
metalloid
metal
22
Number of valence electrons increases as you move
Down a group
across a period
There is no pattern in valence electrons
23
What is the name of group 2A?
Alkaline Earth Metals
Alkali Metals
Noble Gases
Halogens
24
How is the modern periodic table arranged?
Increasing atomic number
Increasing atomic mass
increasing valence electrons
increasing energy levels
25
The ability of a metal to be drawn into a wire is a property known as
brittleness
malleability
ductility
conductivity
