Periodic Trends
Presentation
•
Science
•
9th - 12th Grade
•
Medium
Standards-aligned
Marissa Brown
Used 3+ times
FREE Resource
9 Slides • 27 Questions
1
Trends in the Periodic Table
2
3
Multiple Choice
How many valence electrons are every atom trying to obtain?
2
4
6
8
4
Multiple Choice
Atoms with few valence electrons (1-3) tend to do what with them?
Lose them
Gain more
Do nothing
5
Match
Match the following valance electron trends to their correct response.
Lose them
Gain them
Keep them
Lose or Gain
Few valance electrons (1-3)
More valence electrons (5-7)
8 valence electrons
4 valence electrons
Few valance electrons (1-3)
More valence electrons (5-7)
8 valence electrons
4 valence electrons
6
Multiple Choice
For some elements in groups, how can we determine the number of valence electrons they have just by looking at the periodic table?
Not possible
I have no clue
No consistent way
The group number they reside in
7
Match
Match the method of determining valence electrons with the result
1 valence electron
2 valence electrons
Drop the 1
2 valence!
Look up
Group 1
Group 2
Groups 13-18
Helium
Groups 3-12, Lanthanides/Actinides
Group 1
Group 2
Groups 13-18
Helium
Groups 3-12, Lanthanides/Actinides
8
Multiple Choice
A Lewis Dot Diagram represents
A single atom of an element
The number of valence electrons
The movements of the valence electrons
All options
9
Reorder
Place the steps of making a Lewis Dot Diagram in the correct order
Write element symbol
Determine number of valence electrons
Visualize/draw box around symbol
Place one dot per side initially
Add dots up to 2 per side until all are used
10
Drag and Drop
11
Multiple Choice
Which of the following would have 2 valence electrons
Alkali metals
Alkaline earth metals
Halogens
Noble Gasses
12
Multiple Choice
Which of the following elements will have 5 valence electrons?
In
Ge
Sb
Rn
Cs
13
14
Multiple Select
What is the ionic charge of Li? Select both the number and the charge (+ or -).
1
2
3
-
+
15
Multiple Select
What is the ionic charge of O? Select both the number and the charge (+ or -).
1
2
3
+
-
16
Multiple Select
What is the ionic charge of Al (aluminum)? Select both the number and the charge (+ or -).
1
2
3
+
-
17
Multiple Select
What is the ionic charge of S? Select both the number and the charge (+ or -).
1
2
3
+
-
18
Multiple Select
What is the ionic charge of Si?
3+
3-
4+
4-
19
Match
Match the following elements with their charges
Na
Br
O
N
Al
+1
-1
-2
-3
+3
+1
-1
-2
-3
+3
20
Multiple Choice
Which are positive?
cation
anion
atom
molecule
21
Multiple Select
What are valence electrons?
the outermost electrons
The highest energy electrons
the interior electrons
middle core with protons and neutrons
22
23
Metals
Metals are located on the left side of Periodic table. All elements highlighted with blue are metals.
Shiny -Metallic Luster and Malleable (can be shaped)
Ductile (Able to stretch into wire) and Good conductors of heat and electricity
Solid at room temperature except mercury. An Example: Gold
24
Multiple Choice
Where are metals located on the periodic table?
Right side of periodic table
Left side of periodic table
zig-zag line of periodic table
none of the above
25
Multiple Select
Chose all properties of metal:
Brittle
Shiny
Malleable
Good Conductors
Ductile
26
Non - Metals
Located on the right side of Periodic table except Hydrogen. All elements highlighted with Yellow are non-metals.
Dull ( NOT shiny)
Brittle (crumbles)
Not magnetic
Insulators
Can be solid , liquid or gas
Example: Carbon
27
Multiple Choice
Where are non-metals located on the periodic table?
Right side of periodic table
Left side of periodic table
zig-zag line of periodic table
none of the above
28
Multiple Select
Chose all properties of
non-metal:
Brittle
Dull
Malleable
Good Conductors
Insulator
29
Metalloids
Located on the Zig-Zag line of Periodic table . All elements highlighted with Green are non-metals.
Have properties of both metals and non-metal depending on the element
Semiconductors
Can be Shiny - Metallic luster
Can be brittle
Example: Silicon
30
Multiple Choice
Where are metalloids located on the periodic table?
Right side of periodic table
Left side of periodic table
zig-zag line of periodic table
none of the above
31
Multiple Select
Chose all properties of
metalloids:
can be Brittle
can be shiny
can be Malleable
Semi-conductor
can be Insulator
32
33
34
Multiple Select
Chose all of the elements that are metals:
Calcium (Ca)
Zinc (Zn)
Arsenic (As)
Chlorine (Cl)
Potassium (K)
35
Multiple Select
Chose all of the elements that are non-metals:
Hydrogen (H)
Copper (Cu)
Arsenic (As)
Chlorine (Cl)
Silicon (Si)
36
Multiple Select
Chose all of the elements that are metalloids:
Hydrogen (H)
Carbon (C)
Arsenic (As)
Chlorine (Cl)
Silicon (Si)
Trends in the Periodic Table
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