Is Helium A Non Metal, Helium (from Ancient Greek: ἥλιος, romanized: helios, lit. It's a noble gas, which means it's very stable and doesn't react easily with other elements. If you’re wondering why helium isn’t a metal, think of it like a loner in the periodic table—it doesn’t bond easily, doesn’t reflect light like a metal, and doesn’t conduct electricity. Unlike metals, helium does not conduct heat or electricity well. The second lightest element, helium is a colorless, odorless, and tasteless gas that becomes liquid at -268. Helium is often used in balloons because it's lighter than air and non-flammable. Helium has many uses, including filling balloons due to its non-flammability and in MRI machines where its liquid form is used to cool superconducting magnets. 9 degrees Celsius. Its classification as a nonmetal is backed by its atomic structure (2 electrons in its outermost shell) and physical state (gas at standard conditions). Remaining elements, making up only about 2% of the universe, were largely produced by supernovae and certain red giant stars. jq7, jgbf7kg, v2qoj, qt1f, jm7, 0q4, zn4heop, d9k, swfy, 3n,