Periodic Trends ADI Lab Data Table
Atomic
Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
37
55
87
36
54
86
Symbol
H
He
Li
Be
B
C
N
O
F
Ne
Na
Mg
Al
Si
P
Si
Cl
Ar
K
Ca
Sc
Ti
V
Cr
Mn
Rb
Cs
Fr
Kr
Xe
Rn
Name
Hydrogen
Helium
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
Sodium
Magnesium
Aluminum
Silicon
Phosphorus
Sulfur
Chlorine
Argon
Potassium
Calcium
Scandium
Titanium
Vanadium
Chromium
Manganese
Rubidium
Cesium
Francium
Krypton
Xenon
Radon
Atomic Mass
(amu)
1.0
4.0
6.9
9.0
10.8
12.0
14.0
16.0
19.0
20.2
23.0
24.3
27.0
28.1
31.0
32.0
35.5
40.0
39.1
40.1
45.0
47.7
50.9
52.0
55.0
85.5
132.9
223.0
83.8
131.3
222
Density
(g/cm3)
0.1
0.1
0.5
1.9
2.4
2.3
0.8
1.1
1.5
1.2
1.0
1.7
2.7
2.3
1.8
2.1
1.6
1.4
0.9
1.5
3.0
4.5
6.0
7.2
7.3
1.5
1.9
2.42
3
4.4
Melting Point
(°C)
-259
-272
181
1287
2075
4492
-210
-219
-220
-249
98
650
660
1414
44
115
-102
-189
63
842
1541
1668
1910
1907
1246
39
28.4
27
-157
-112
-71
Electronegativity
2.2
0.98
1.57
2.04
2.55
3.04
3.44
3.98
0.93
1.31
1.61
1.9
2.19
2.58
3.16
0.82
1
1.36
1.54
1.63
1.66
1.55
0.8
0.8
0.7
3
2.6
-
Atomic
radius (pm)
25
31
145
105
85
70
65
60
50
38
180
150
125
110
100
100
100
71
220
180
160
140
135
140
140
235
260
88
108
120
Ionization
Energy (eV)
13.6
24.6
5.4
9.3
8.3
11.3
14.5
13.6
17.4
21.6
5.1
7.6
6
8.2
10.5
10.4
13
15.8
4.3
6.1
6.6
6.8
6.7
6.8
7.4
4.2
3.9
14.0
12.1
10.7
Specific
heat
(J/g·K)
14.3
5.2
3.6
1.8
1
0.7
1
0.9
0.8
1
1.2
1
0.9
0.7
0.8
0.7
0.5
0.5
0.8
0.7
0.6
0.5
0.5
0.4
0.5
0.4
0.2
0.2
0.2
0.1