Respuesta :
Answer: True.
Explanation: N, O, and Cu are all elements. Nitrogen is found as the gas N2. Oxygen has seven molecular forms, including the gas O2. Copper is found as a metal, so it is known to be true. Hope this helps you out (:
Answer: True.
Explanation: N, O, and Cu are all elements. Nitrogen is found as the gas N2. Oxygen has seven molecular forms, including the gas O2. Copper is found as a metal, so it is known to be true. Hope this helps you out (: