an element
Homogenous
element
Material made up of only one kind of matter is called an Element
The molecule that contains only carbon and hydrogen is methane, which has the chemical formula CH4.
magnesium is an element, not a molecule. It only contains magnesium
magnesium is an element, not a molecule. It only contains magnesium
the subscript 2 after the H indicates that the hydrogen molecule contains two (2) atoms of hydrogen
A diatomic molecule A dinuclear molecule
A hydrocarbon.
A hydrocarbon.
the nucleaus
A hydrocarbon-apex