PB is an element. It is the chemical symbol for lead.
Ag is the chemical symbol for silver, which is an element. It is not a compound.
Hl is an element. It is the chemical symbol for the element helium on the periodic table.
A single displacement reaction is a type of chemical reaction where a free element replaces another element in a compound. This occurs when a more reactive element displaces a less reactive element in a compound, forming a new compound and releasing the displaced element.
Gold is a pure element, not a compound, so it is homoatomic.
element. Sulfur dioxide (SO2) is a compound
it is a compound
KCl is a compound not an element.
Beryllium is an element. It is not a compound
cornstarch is a compound element.
CaCo2 element is a compound
if it dissolves its a compound if not its an element.
NO = Nitrous Oxide - compound No = Nobelium - element
salt is a compound. it is not an element
No, energy is NOT an element, a compound or a mixture.
It is a compound Carbon is an element.
PB is an element. It is the chemical symbol for lead.