Compare Elements

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

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Element comparison
Property Sr Strontium Y Yttrium
Atomic Number 38 lower 39 lower
Symbol Sr different Y different
Name Strontium different Yttrium different
Atomic Mass 87.62 lower 88.9058 lower
Category Alkaline Earth Metals different Transition Metals different
Period 5 same value 5 same value
Group 2 lower 3 lower
Block s-Block different d-Block different
Standard State Solid same value Solid same value
Electronegativity 0.95 lower 1.22 lower
Atomic Radius 249 higher 219 higher
Ionization Energy 5.695 lower 6.217 lower
Electron Affinity — no data 0.307 no data
Oxidation States +2 different +3 different
Melting Point 1050 K (776.85 °C) lower 1795 K (1521.85 °C) lower
Boiling Point 1655 K (1381.85 °C) lower 3618 K (3344.85 °C) lower
Density 2.64 lower 4.47 lower
Electron Configuration [Kr]5s2 different [Kr]5s2 4d1 different
Year Discovered 1790 different 1794 different

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