4. A student heats copper metal over a flame, and it begins to react with oxygen gas (diatomic
molecule 02) in the air. A green flame is seen. Copper (11) Oxide is formed.
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cowboyzae 6 months agoСветило науки - 2 ответа - 0 помощи
Since Oxygen and Copper combine to form Copper Oxide. Therefore, this is a combination reaction
Hope this helps