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Oxygen, Nitrogen, and Sulfur. (Though in the latter case, S2 is not the most common allotrope of Sulfur, the allotrope DOES exist.)

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14y ago
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11y ago

Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, and iodine are the elements that form molecules that have 2 atoms each.

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14y ago

Helium and Radon

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12y ago

I believe its Helium and Neon

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Q: 3 elements which exist as 2 atom molecules?
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Related questions

Is helium a molecule?

Helium is an atom. Heavier elements have molecules.


What are most molecules made of?

Example when they two molecules of water that is 2H2O now this is a compound formed by two atoms or elements which proves that a molecule is composed of a compound that is the bonding of an atom to another atom .


Can elements be molecules?

Yes, Molecules are what create elements. two oxygen molecules and one hydrogen molecule creates a water(element) Answer 2 An element consists of only one sort of atom, but in some elements these atoms join together to form molecules, but these molecules will only be made of one type of atom.


What is the relationship between a atom and a molecule?

a molecule is made up of more then 1 type of atom. also there are 1 or 2 elements that have molecules with only 1 atom. The atom is the basic unit of matter and the molecule is the smallest unit of compounds.


What are the names of the elements in Hydrogen peroxide?

2 hydrogen atom and 2 oxygen atom


Does a molecule have 2 types of atoms?

1. Generally molecules are formed from atoms of different chemical elements. 2. But molecules containing atoms of only one element exist: diatomic molecules of Cl, F, Br, I, N, O, H, P, S; these molecules are called homonuclear.


Are atoms also known as molecules?

No. The atoms are the basic elements seen on the periodic table. Atoms come together to make molecules. Water is an example of a molecule. It is 2 hydrogen atoms bonded to 1 oxygen atom.


How many elements are in a atom?

i don't know about 2


What atom has only 2 elements?

An atom is an element so it cannot contain 2 of its own. But now if your asking the elements of the atom such as proton, neutron, and electron, the only atom would be H+ with one proton and one neutron.


Compounds are made from different atoms of two or more?

Yes, also molecules are like compounds, but they can have 2 or more of the same atom.


What is made of 2 or more atoms joined together?

A compound


Which is smaller an element or a molecule?

An atom of an element is usually smaller than a molecule of a compound. Molecules are made by bonding 2 or more atoms, of one or more elements. The molecule is the smallest particle of a compound.