which pure substance can be classified as an element?\no h2\no no3\no nacl\no h2so4
which pure substance can be classified as an element?\no h2\no no3\no nacl\no h2so4
Answer
Brief Explanations:
An element is a pure substance made of only one type of atom. $H_2$ is made of only hydrogen atoms. $NO_3$ is a poly - atomic ion, $NaCl$ is a compound of sodium and chlorine, and $H_2SO_4$ is a compound of hydrogen, sulfur, and oxygen.
Answer:
$H_2$