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Periodic Table Basics Flashcards | StudBud
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Periodic Table Basics
Periodic Table Basics
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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 is the modern periodic table arranged?
increasing valence electrons
Increasing atomic mass
Increasing atomic number
increasing energy levels
2
The most reactive nonmetal on the periodic table is
Carbon
Flourine
Helium
Astitine
3
Who created the first periodic table?
Mendeleev
Rutherford
Mosely
Dalton
4
What element are to the right side of the stair step line?
metalloids
nonmetals
metals
transistion metals
5
What are valence electrons
Electrons in the innermost energy level.
Electrons in the outermost energy level
6
Vertical columns on periodic table
periods
groups
classes
rows
7
How many valence electrons does Nitrogen have?
2
7
5
15
8
elements shown in image
metalloids
inner transition metals
alkali metals
transition metals
9
elements shown below
transition metals
alkali metals
lanthanides
actinides
10
How was Mendeleev's periodic table arranged?
increasing energy levels
Increasing atomic mass
increasing number of valence electrons
Increasing atomic number
11
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
12
Horizontal rows on the periodic table
Classes
Groups
Periods
Families
13
What is the most reactive group of metals?
Alkaline Earth Metals
Alkali metals
Transition Metals
Halogen
14
Metals have all of the properties listed EXCEPT...
Malleable
Shiny
Good conductors of heat and electricity
Brittle
15
The ability of a metal to be drawn into a wire is a property known as
ductility
conductivity
malleability
brittleness
16
What elements are located along the stair-step line?
metals
inner transition metals
transition metals
metalloids
17
What is the general trend in reactivity of the metals as you move down a group?
More reactive at bottom
Each group of metal has a different pattern
More reactive at top
18
Number of valence electrons increases as you move
Down a group
across a period
There is no pattern in valence electrons
19
Elements in the same period have what in common?
Number of valence electrons
Similar properties
Number of occupied energy levels
Similar Density
20
What is the name of group 2A?
Halogens
Alkali Metals
Noble Gases
Alkaline Earth Metals
