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Answer:
No weapons or drugs. Having responsible teachers
There is no effect. When you observe a substance's physical properties, you're not doing anything that would catalyze a chemical change. For example, you most often observe with your eyes, and/or, if safe, you waft the substance's smell to your nose. Neither of these observations will effect the substance's physical properties.
Answer:
ion
Explanation:
As it has 2 more electrons them protons
