User:Udityanarayan kesherwani/sandbox

chemical formula
Inorganic: A B Ca–Cu G H I L M N O P S Organic: C C2 C3 C4 C5 C6 C7 C8 C9 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25–C29 C30–C39 C40–C49 C50–C100