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Column 18.

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What are the 3 lightest members of the noble gases?

Helium, neon, and argon are the three lightest members of the noble gases.


What are the first four noble gases?

The first four are (in order of increasing number / mass: He = Helium, Ne = Neon, Ar = Argon, Kr = Krypton Xe = Xenon and Ra = Radon are the other two noble gases


What two elements with properties most like helium?

Neon and argon, the two elements immediately below helium in column 18 of a wide form Periodic Table.


What are the families of neon?

helium neon argon krypton xenon radon


Element similar to helium and neon?

helium argon krypton xenon radon


What are the noble gases in Column 18 called?

The noble gases in Column 18 are called helium, neon, argon, krypton, xenon, and radon.


Which of the following are considered noble gases?

Helium, Neon, Argon and if another Krypton.


What is helium element family?

Helium belongs to the noble gas family, along with elements like neon, argon, krypton, and xenon. These elements are characterized by their low reactivity and full outer electron shells, making them stable and non-reactive.


What are two elements with properties most like helium?

Neon and argon, the two elements immediately below helium in column 18 of a wide form periodic table.


How do helium argon and neon differ?

Helium, argon, and neon are noble gases with different atomic numbers: helium (2), neon (10), and argon (18). They vary in terms of their densities, boiling points, and chemical reactivity. Neon has the lowest boiling point and argon has the highest atomic weight among the three.


Why are neon and argon in the 18th column and why is helium also found in this comlumn?

Because Helium (He, 2), Neon (Ne, 10), Argon (Ar, 18), Krypton (Kr, 36), Xenon (Xe, 54) all are Noble Gases which have inert or no-reactive chemical structures. This is due to the "octet" of their electrons.


Helium neon argon krypton?

Noble gases