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40 terms

First 40 Elements (Atomic Number)

The First 40 Elements in order.
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Hydrogen
1
Helium
2
Lithium
3
Beryllium
4
Boron
5
Carbon
6
Nitrogen
7
Oxygen
8
Fluorine
9
Neon
10
Sodium
11
Magnesium
12
Aluminum
13
Silicon
14
Phosphorus
15
Sulfur
16
Chlorine
17
Argon
18
Potassium
19
Calcium
20
Scandium
21
Titanium
22
Vanadium
23
Chromium
24
Manganese
25
Iron
26
Cobalt
27
Nickel
28
Copper
29
Zinc
30
Gallium
31
Germanium
32
Arsenic
33
Selenium
34
Bromine
35
Krypton
36
Rubidium
37
Strontium
38
Yttrium
39
Zirconium
40