The formula for H2O is two hydrogen molecules and one oxygen molecule.
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∙ 12y agohydrogen and oxygen are the two elements which make up water
Oxygen and nitrogen are the two most abundant gases in the atmosphere. They make up 99% of the air.
Water is made up of two hydrogen atoms and one oxygen atom. the formula for water is H2O. the two elements the make up water are hydrogen and oxygen. the two elements the make up water are hydrogen and oxygen.
A molecule of water, which has the formula H2O, is made up of the elements hydrogen and oxygen.
Oxygen ( O2 ) : 21 % ; Nitrogen ( N2 ) : 78 % ;
oxygen,carbon,helium,sodium,H2O
hydrogen and oxygen
hydrogen and oxygen are the two elements which make up water
canada
Hydrogen and oxygen............. H2O
Oxygen and nitrogen.
hydrogen and helium
H2O two Hydrogen atomss and One Oxygen atom
Nitrogen and oxygen are two of the primary gases that make up air. The third is argon.
Oxygen and nitrogen are the two most abundant gases in the atmosphere. They make up 99% of the air.
Hydrogen and Helium
Nitrogen & oxygen.