Compare Elements

Compare two chemical elements side by side across 19 atomic and physical properties.

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Element comparison
Property Ta Tantalum Ba Barium
Atomic Number 73 higher 56 higher
Symbol Ta different Ba different
Name Tantalum different Barium different
Atomic Mass 180.9479 higher 137.33 higher
Category Transition Metals different Alkaline Earth Metals different
Period 6 same value 6 same value
Group 5 higher 2 higher
Block d-Block different s-Block different
Standard State Solid same value Solid same value
Electronegativity 1.5 higher 0.89 higher
Atomic Radius 217 lower 268 lower
Ionization Energy 7.89 higher 5.212 higher
Electron Affinity 0.322 no data — no data
Oxidation States +5 different +2 different
Melting Point 3290 K (3016.85 °C) higher 1000 K (726.85 °C) higher
Boiling Point 5731 K (5457.85 °C) higher 2170 K (1896.85 °C) higher
Density 16.4 higher 3.62 higher
Electron Configuration [Xe]6s2 4f14 5d3 different [Xe]6s2 different
Year Discovered 1802 different 1808 different

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