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The Periodic Table of Elements Flashcards | StudBud
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The Periodic Table of Elements
The Periodic Table of Elements
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Review of the history of the periodic table and how it's arranged.
Flashcards
20 cards
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Questions
20
Answers
1
How many valence electrons does Nitrogen have?
2
7
5
15
2
The ability of a metal to be drawn into a wire is a property known as
malleability
conductivity
ductility
brittleness
3
The most reactive nonmetal on the periodic table is
Carbon
Flourine
Astitine
Helium
4
elements shown below
lanthanides
actinides
transition metals
alkali metals
5
What elements are located along the stair-step line?
metalloids
inner transition metals
transition metals
metals
6
Vertical columns on periodic table
periods
classes
rows
groups
7
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 very reactive
They are called Noble Gases
8
Number of valence electrons increases as you move
Down a group
across a period
There is no pattern in valence electrons
9
How was Mendeleev's periodic table arranged?
Increasing atomic mass
Increasing atomic number
increasing number of valence electrons
increasing energy levels
10
Horizontal rows on the periodic table
Periods
Families
Groups
Classes
11
How is the modern periodic table arranged?
increasing valence electrons
increasing energy levels
Increasing atomic mass
Increasing atomic number
12
elements shown in image
alkali metals
transition metals
metalloids
inner transition metals
13
What is the name of group 2A?
Alkali Metals
Alkaline Earth Metals
Noble Gases
Halogens
14
Metals have all of the properties listed EXCEPT...
Good conductors of heat and electricity
Malleable
Brittle
Shiny
15
What element are on the right side of the stair step line?
transistion metals
nonmetals
metals
metalloids
16
Who created the first periodic table?
Rutherford
Mosely
Mendeleev
Dalton
17
What is the most reactive group of metals?
Halogen
Alkaline Earth Metals
Transition Metals
Alkali metals
18
What are valence electrons
Electrons in the innermost energy level.
Electrons in the outermost energy level
19
Elements in the same period have what in common?
Number of valence electrons
Number of occupied energy levels
Similar Density
Similar properties
20
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
