Name___________________________________
Date_______________ Per.____________
Periodic Trends Review
1.
Generate a graph of atomic radius versus atomic number for the first nine elements using the data below.
Be sure to label your axes and give your graph an appropriate title.
2.
Element
Name
hydrogen
helium
lithium
beryllium
Atomic
Number
1
2
3
4
Atomic Radius
(in pm)
37
32
152
111
boron
carbon
nitrogen
oxygen
5
6
7
8
88
77
70
66
fluorine
9
64
Graph
______________________
200
____________________(____)
180
160
140
120
100
80
60
40
20
0
0
5
10
15
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20
Name___________________________________
Date_______________ Per.____________
1.Define Electronegativity.
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_________________________________________________________________________
What is the trend for Electronegativity as you go across a period?
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2
.
Ionic Bond
Lewis Structures
vs.
Covalent Bond
Lewis Structures