Respuesta :
Explanation:
Cu, Na and Nd are all elements.
A compound consists of at least 2 different elements.
Calcium chloride (CaCl2) consists of calcium and chlorine atoms, therefore it is a compound.
Explanation:
Cu, Na and Nd are all elements.
A compound consists of at least 2 different elements.
Calcium chloride (CaCl2) consists of calcium and chlorine atoms, therefore it is a compound.