What category is helium on the periodic table?
What category is helium on the periodic table?
Noble or Inert Gases
Group 8A — The Noble or Inert Gases. Group 8A (or VIIIA) of the periodic table are the noble gases or inert gases: helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn).
Is helium classified as a drug?
Helium is not a drug, nor does it give people a high in the way that drugs do. People inhale or engage, in huffing helium because of the way that it alters the sound of their voice. After inhaling helium one’s voice sounds very similar to the cartoon character Donald Duck.
Is helium classified as a metal?
On chemical properties helium is like a noble gas not a metal. It is chemically unreactive like noble gases but unlike metals; it is not electrically conductive even as a solid, unlike metals.
Is helium a group or family?
Helium is in the family VIII A. This family is also called the Noble Gases. or inert gases.
Why is helium classified as a noble gas?
Helium is a noble gas meaning that it exists only as atoms of the elements that are never bonded to other atoms. Figure 3.3 is a representation of the helium atom showing its 2 electrons. The Lewis symbol of helium is simply He with 2 dots. This shows a very important characteristic of atoms.
Is helium a metal or nonmetal or metalloid?
Six nonmetals are classified as noble gases: helium, neon, argon, krypton, xenon, and the radioactive radon. In conventional periodic tables they occupy the rightmost column. They are called noble gases in light of their characteristically very low chemical reactivity.
What is helium used for?
Helium is used as an inert-gas atmosphere for welding metals such as aluminum; in rocket propulsion (to pressurize fuel tanks, especially those for liquid hydrogen, because only helium is still a gas at liquid-hydrogen temperature); in meteorology (as a lifting gas for instrument-carrying balloons); in cryogenics (as a …
Why does helium make your voice funny?
Inhaling helium makes the higher-pitched tones resonate more in the vocal tract, amplifying them so they are louder in the mix. At the same time, it makes the lower tones resonate less in the vocal tract. The two effects combine to create a Chipmunk-like, flat sound.
Is helium diatomic or monatomic?
The noble gases are the examples of monatomic gases, and they are: Helium.
What is group 18 on the periodic table called?
noble gas
noble gas, any of the seven chemical elements that make up Group 18 (VIIIa) of the periodic table. The elements are helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og).
What type of gas is helium?
inert gas
helium (He), chemical element, inert gas of Group 18 (noble gases) of the periodic table. The second lightest element (only hydrogen is lighter), helium is a colourless, odourless, and tasteless gas that becomes liquid at −268.9 °C (−452 °F).
Is helium a monatomic gas?
monatomic gas, gas composed of particles (molecules) that consist of single atoms, such as helium or sodium vapour, and in this way different from diatomic, triatomic, or, in general, polyatomic gases.