Oxygen is an element, with an atomic number of 8.
Yes. It is usually a gas unless it is found in a compound like water.
element. Sulfur dioxide (SO2) is a compound
KCl is a compound not an element.
Beryllium is an element. It is not a compound
cornstarch is a compound element.
Mixture
Oxygen is a non metal element. There are 8 electrons in a single atom.
if it dissolves its a compound if not its an element.
NO = Nitrous Oxide - compound No = Nobelium - element
It is a compound Carbon is an element.
salt is a compound. it is not an element
No, energy is NOT an element, a compound or a mixture.