11. Iron is a solid metal, and oxygen is a gas. When iron and oxygen atoms combine, they form a solid called iron oxide. How should iron oxide be categorized? A atom B element C gas D molecule - QAmmunity.org

11. Iron is a solid metal, and oxygen is a gas. When iron and oxygen atoms combine, they form a solid called iron oxide. How should iron oxide be categorized? A atom B element C gas D molecule

asked Jul 19, 2021 63.1k views

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