Carbon and hydrogen
These elements are carbon, oxygen, hydrogen.
The two most common elements in the Universe, and in most stars are - in that order - hydrogen and helium (elements #1 and #2).
-2
-2
Elements in group 2 mostly takes the oxidation number +II.
Kayaks can be made out of thermoplastics, a company called delta makes a bunch.
Acetal is a commonly used name for a family of thermoplastics. Its chemical name is PolyoxyMethylene.Another commonly used name for thermoplastics is Hotmelt.
helium and hydrogen
because they melt... read thermoplastics very slowly
i think the answers you are looking for are thermoplastics and thermosetting plastics :)
+2
silicon oxygen iron