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Phosphorus

(P)

285

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Category

Nonmetal

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Relative atomic mass

30.9738

Density

1.82

Melting point (°C)

44.1

Boiling point (°C)

280

Electronegativity (Pauling)

2.1

Discovery year

1669

Discovered by

Electrons: 15

Protons: 15

Neutrons: 16

Wikipedia

created by @lukaswyss

Phosphorus (P) – Element 15