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Chapter 3/4 Element Periodic Table Flashcards | StudBud
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Chapter 3/4 Element Periodic Table
Chapter 3/4 Element Periodic Table
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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
Number of valence electrons increases as you move
Down a group
There is no pattern in valence electrons
across a period
2
What are valence electrons
Electrons in the outermost energy level
Electrons in the innermost energy level.
3
What elements are located along the stair-step line?
transition metals
metalloids
inner transition metals
metals
4
What is NOT true of the group of elements shown.
Most have 8 valence electrons
They are very reactive
They all have a full outer shell of electrons
They are called Noble Gases
5
Who created the first periodic table?
Mendeleev
Dalton
Mosely
Rutherford
6
What is the general trend in reactivity of the metals as you move down a group?
Each group of metal has a different pattern
More reactive at bottom
More reactive at top
7
Horizontal rows on the periodic table
Families
Classes
Periods
Groups
8
This type of element has an atomic number greater than 92
Transuranium metal
Transition Metal
Noble gas
Noble Gas
9
What is the most reactive group of metals?
Halogen
Transition Metals
Alkali metals
Alkaline Earth Metals
10
How is the modern periodic table arranged?
Increasing atomic number
increasing valence electrons
Increasing atomic mass
increasing energy levels
11
What element are to the right side of the stair step line?
metals
metalloids
transistion metals
nonmetals
12
Metals have all of the properties listed EXCEPT...
Brittle
Good conductors of heat and electricity
Malleable
Shiny
13
The most reactive nonmetal on the periodic table is
Helium
Astitine
Flourine
Carbon
14
Vertical columns on periodic table
rows
periods
classes
groups
15
Who developed the model accepted before the current Cloud Model?
Dmitri Mendeleev
Ernest Rutherford
Niels Bohr
John Dalton
16
How many valence electrons does Nitrogen have?
7
15
2
5
17
The ability of a metal to be drawn into a wire is a property known as
brittleness
conductivity
ductility
malleability
18
This type of bond is when electrons are shared
Ionic bond
Covalent Bond
19
elements shown below
actinides
alkali metals
transition metals
lanthanides
20
I am ready for this test?
Yes
definitely
absolutely
sure
21
The current Periodic Table is organized by
Atomic symbol
Atomic Number
Atomic weight
22
How was Mendeleev's periodic table arranged?
Increasing atomic number
increasing number of valence electrons
Increasing atomic mass
increasing energy levels
23
What is the name of group 2A?
Noble Gases
Alkali Metals
Alkaline Earth Metals
Halogens
24
Valence electrons
are organized by proximity to nucleus
help determine reactivity
impossible to determine
the same at every energy level
25
Which is more reactive?
Cesium
Magnesium
Carbon
Lithium
