One would be phosporous whose configuration is 1s2 2s2 2p6 3s2 3p3
Answer:
Dissolving sugar in water, burning paper, and melting gold are all chemical changes
Explanation:
The action cannot be reversed, or undone. Therefore it is a chemical change.
Boiling water is a physical change.
1. C
2. D
3. A
4. B
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Nimbostratus clouds bring long steady rains
