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1-2 please help Use the following information to answer the next two questions The different colours seen in exploding fireworks are produced using different elements.

1-2 please help

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Use the following information to answer the next two questions The different colours seen in exploding fireworks are produced using different elements. Predominant Element Colour Strontium Red Barium Green Copper Blue-Green Sodium Yellow-Orange Given the information above, the element that emits the lowest energy photon of visible light is [ strontium barium copper sodium 2. The colours are emitted by electrons emitted by the nucleus "undergoing transitions to lower energy levels undergoing transitions to higher energy levels Inoscillating between energy levels

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