Science: Elements 15-30 Quiz
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18. Argon
Ar
20. Calcium
Ca
17. Chlorine
Cl
27. Cobalt
Co
24. Chromium
Cr
29. Copper
Cu
26. Iron
Fe
19. Potassium
K
25. Manganese
Mn
28. Nickel
Ni
16. Sulfur
S
21. Scandium
Sc
22. Titanium
Ti
23. Vanadium
V
30. Zinc
Zn
