Planet Mercury and the metal mercury share a name.
None, though the metal mercury is called quicksilver, and shares its name with a planet.
Copper is a metal that shares its name with a household appliance, which is a "copper kettle."
Pluto, Mikey's dog, was named after a planet, which technically is no longer a planet.
Jupiter.
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Mercury
The planet Mercury is the closest planet to the Sun. It shares its name with a metallic element, one of the only two elements that are liquid at room temperature.
The liquid metal "mercury" (also known as quicksilver) is not connected with the planet of the same name. The metal is refined on Earth from the mineral "cinnabar" (mercury sulfide).
The planet Jupiter shares its name with the Jupiter, the Roman god of the sky. Jupiter's Greek equivalent is Zeus.
The planet Uranus shares the same sun as our planet, Earth.
Kr is the symbol fir Krypton which shares it's name with superman's birth planet.