There is only one element in hydrogen it's hydrogen. It's the first element in the Periodic Table of elements.
Hydrogen and carbon.
Hydrogen and oxygen. What is probably meant is which two elements make dihydrogen oxide (water; H2O). The answer remains the same: hydrogen and oxygen.
There are only two elements. They are hydrogen and nitrogen.
There are two types of elements.They are carbon and hydrogen
Hydrogen chloride (HCl) has a total of two elements: hydrogen and chlorine.
Hydrogen monoxide is made of two elements, hydrogen and oxygen.
Hydrogen and carbon.
H2S contains two elements: hydrogen and sulfur.
The two common elements found in the sun are Hydrogen and Helium.
Hydrogen and oxygen. What is probably meant is which two elements make dihydrogen oxide (water; H2O). The answer remains the same: hydrogen and oxygen.
There are only two elements. They are hydrogen and nitrogen.
There are two types of elements.They are carbon and hydrogen
Hydrogen and sulphur are the elements in H2S.
Hydrogen chloride (HCl) has a total of two elements: hydrogen and chlorine.
No. Helium and Hydrogen are two different elements.
Hydrogen and oxygen
H2O, or water, contains two elements - hydrogen and oxygen.