Graphing Periodic Trends Activity
Name:_____________________________Period:____
Use the information in these tables to complete the graph as described below
Symbol
Atomic
Radius
(Picometers)
First Ionization
energy
(kilojoules/mole)
Electronegativity
(4-point scale)
H
Li
Na
K
Rb
Cs
31
128
166
203
220
244
1312
520
496
410
403
376
2.1
1.0
0.9
0.8
0.8
0.7
1.
Symbol
Atomic
Radius
(Picometers)
First Ionization
energy
(kilojoules/mole)
Electronegativity
(4-point scale)
Na
Mg
Al
Si
P
S
Cl
Ar
166
141
121
111
107
105
102
106
496
738
578
787
1012
1000
1251
1521
0.9
1.2
1.5
1.8
2.1
2.5
3.0
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Write out each of the statements written on the opposite side, completing each statement with the observed trend
(increase or decrease)