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UB Periodic Table, Part 2 (DL) Flashcards | StudBud
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UB Periodic Table, Part 2 (DL)
UB Periodic Table, Part 2 (DL)
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Mendeleev, trends, and parts of the periodic table
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Questions
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Answers
1
Vertical columns on periodic table
periods
rows
classes
groups
2
What is the most reactive group of metals?
Transition Metals
Alkali metals
Alkaline Earth Metals
Halogen
3
What element are on the right side (red) of the stair-step line?
transistion metals
metals
metalloids
nonmetals
4
How many valence electrons does the light green HALOGEN group have?
19
7
17
9
5
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
6
What are valence electrons
Electrons in the innermost energy level.
Electrons in the outermost energy level
7
Horizontal rows on the periodic table
Classes
Periods
Families
Groups
8
What is the WHITE group called?
noble gases
alkali metals
halogens
transition metals
9
The most reactive nonmetal on the periodic table is
Helium
Astitine
Carbon
Flourine
10
What is the LIGHT BLUE group called?
transition metals
noble gases
alkali metals
halogens
11
Who created the first periodic table?
Dalton
Mendeleev
Mosely
Rutherford
12
How is the modern periodic table arranged?
increasing energy levels
Increasing atomic number
Increasing atomic mass
increasing valence electrons
13
Elements in the same period have what in common?
Similar Density
Number of valence electrons
Number of energy levels
Similar chemical properties
14
Metals have all of the properties listed EXCEPT...
Good conductors of heat and electricity
Malleable
Shiny
Brittle
15
Elements in the same column have similar
number of neutrons.
physical properties.
number of energy levels
chemical properties.
16
What is the RED group called?
transition metals
alkali metals
noble gases
halogens
17
The ability of a metal to be hammered or bent into shape is
brittleness
malleability
conductivity
ductility
18
What is the PURPLE group called?
halogens
noble gases
transition metals
alkali metals
19
Number of valence electrons increases as you move
Down a group
across a period
There is no pattern in valence electrons
20
How many valence electrons does Nitrogen have?
15
5
7
2
21
What is NOT true of the group of elements shown.
They are very reactive
They all have a full outer shell of electrons
They are called Noble Gases
Most have 8 valence electrons
22
What elements are located along the stair-step line?
metals
inner transition metals
transition metals
metalloids
