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