Elements on the Periodic Table of the Elements are classified into categories such as
1) rocks and minerals
2) molecules and atoms
3) mixtures and compounds
4) metals and nonmetals
Im pretty sure its 2, but can someone please clarify?
1) rocks and minerals
2) molecules and atoms
3) mixtures and compounds
4) metals and nonmetals
Im pretty sure its 2, but can someone please clarify?