What+is+Helium?

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 * Atomic Number: 2 **
 * Atomic Weight: 4.002602 **
 * Melting Point: 0.95 K (-272.2°C or -458.0°F) **
 * Boiling Point: 4.22 K (-268.93°C or -452.07°F) **
 * Density: 0.0001785 grams per cubic centimeter **
 * Phase at Room Temperature: Gas **
 * Element Classification: Non-metal