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⚛️ Elements

Heavier, denser, hotter: every element matchup so far.

Oct 28, 2026

⚛️ Elements

Which element has a higher melting point?

sulfur vs potassium

Show answer
  • sulfur: 115 °C ✓
  • potassium: 63.3 °C

sulfur: 52 °C apart

Potassium melts at just 63 °C, so a hot cup of tea could melt it, while sulfur needs 115 °C, above water's boiling point.

Oct 25, 2026

⚛️ Elements

Which is denser, titanium or arsenic?

titanium vs arsenic

Show answer
  • titanium: 4.67 g/cm³
  • arsenic: 5.73 g/cm³ ✓

arsenic: about 23% more

Despite titanium's strength, arsenic is actually a denser element.

Oct 22, 2026

⚛️ Elements

Which is denser, mercury or silver?

mercury vs silver

Show answer
  • mercury: 13.6 g/cm³ ✓
  • silver: 10.5 g/cm³

mercury: about 30% more

A silver coin will actually float on a pool of liquid mercury due to mercury's extreme density.

Oct 19, 2026

⚛️ Elements

Which is denser, iron or lead?

iron vs lead

Show answer
  • iron: 7.87 g/cm³
  • lead: 11.3 g/cm³ ✓

lead: about 44% more

Lead is famously heavy, having a significantly higher density than iron.

Oct 16, 2026

⚛️ Elements

Which element has a higher melting point?

nickel vs platinum

Show answer
  • nickel: 1,450 °C
  • platinum: 1,770 °C ✓

platinum: 313 °C apart

Platinum is denser, rarer, and has a higher melting point than nickel.

Oct 13, 2026

⚛️ Elements

Which is denser, solid aluminium or liquid bromine?

bromine vs aluminium

Show answer
  • bromine: 4 g/cm³ ✓
  • aluminium: 2.7 g/cm³

bromine: about 48% more

Liquid bromine is surprisingly heavy, noticeably denser than the light solid metal aluminium.

Oct 10, 2026

⚛️ Elements

Which is denser, copper or uranium?

copper vs uranium

Show answer
  • copper: 8.94 g/cm³
  • uranium: 19.1 g/cm³ ✓

uranium: about 2.1× as much

Uranium is one of the densest naturally occurring elements, over twice as dense as copper.

Oct 7, 2026

⚛️ Elements

Which is denser, liquid mercury or solid tin?

mercury vs tin

Show answer
  • mercury: 13.6 g/cm³ ✓
  • tin: 7.28 g/cm³

mercury: about 87% more

Solid tin would actually float on a pool of liquid mercury due to mercury's incredible density.

Oct 4, 2026

⚛️ Elements

Which metal is denser?

silver vs iron

Show answer
  • silver: 10.5 g/cm³ ✓
  • iron: 7.87 g/cm³

silver: about 33% more

Silver is about a third denser than iron: a silver bar weighs roughly 1.3 times an iron bar of the same size.

Oct 1, 2026

⚛️ Elements

Which has a higher melting point?

oxygen vs nitrogen

Show answer
  • oxygen: -218 °C
  • nitrogen: -210 °C ✓

nitrogen: 8.3 °C apart

Nitrogen melts at a slightly higher temperature (-210.1 °C) than oxygen (-218.3 °C).

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