first 20 periodic elements
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40 Terms
1
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what element has the periodic number of 1?
hydrogen
2
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what element has the periodic number of 2?
helium
3
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what element has the periodic number of 3?
lithium
4
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what element has the periodic number of 4?
beryllium
5
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what element has the periodic number of 5?
boron
6
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what element has the periodic number of 6?
carbon
7
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what element has the periodic number of 7?
nitrogen
8
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what element has the periodic number of 8?
oxygen
9
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what element has the periodic number of 9?
fluorine
10
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what element has the periodic number of 10?
neon
11
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what element has the periodic number of 11?
sodium
12
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what element has the periodic number of 12?
magnesium
13
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what element has the periodic number of 13?
aluminium
14
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what element has the periodic number of 14?
silicon
15
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what element has the periodic number of 15?
phosphorus
16
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what element has the periodic number of 16?
sulfur
17
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what element has the periodic number of 17?
chlorine
18
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what element has the periodic number of 18?
argon
19
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what element has the periodic number of 19?
potassium
20
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what element has the periodic number of 20?
calcium
21
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what is the symbol for hydrogen?
H
22
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what is the symbol for helium?
He
23
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what is the symbol for lithium?
Li
24
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what is the symbol for beryllium?
Be
25
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what is the symbol for boron?
B
26
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what is the symbol for carbon?
C
27
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what is the symbol for nitrogen?
N
28
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what is the symbol for oxygen?
O
29
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what is the symbol for fluorine?
F
30
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what is the symbol for neon?
Ne
31
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what is the symbol for sodium?
Na
32
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what is the symbol for magnesium?
Mg
33
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what is the symbol for aluminum?
Al
34
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what is the symbol for silicon?
Si
35
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what is the symbol for phosphorus?
P
36
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what is the symbol for sulfur?
S
37
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what is the symbol for chlorine?
Cl
38
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what is the symbol for argon?
Ar
39
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what is the symbol for potassium?
K
40
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what is the symbol for calcium?
Ca
Note 
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