Niobium

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name Niobium latin Niobium french Niobium german Niob symbol Nb proton number 41 atomic weight 92.90638 Pauling electronegativity 1.6 electronic configuration [Kr] 4d45s1 >> show long melting point 2750 K, 2477°C, 4490°F boiling point 5017 K, 4744°C, 8571°F group 5 period 5 state (by 20°C) solid oxidation states +3, +5

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