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Noun: atomic number 5
- A trivalent metalloid element; occurs both in a hard black crystal and in the form of a yellow or brown powder
- boron, B
Type of: chemical element, element
Encyclopedia: Atomic number 5
Nearest
atomic number 40
atomic number 41
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atomic number 5
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atomic number 59
atomic number 41
atomic number 42
atomic number 43
atomic number 44
atomic number 45
atomic number 46
atomic number 47
atomic number 48
atomic number 49
atomic number 5
atomic number 50
atomic number 51
atomic number 52
atomic number 53
atomic number 54
atomic number 55
atomic number 56
atomic number 57
atomic number 58
atomic number 59