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Question
change state of matter is a what type of change? nuclear change physical change chemical change
A physical change is a change in which the form or appearance of matter changes, but its chemical composition remains the same. When matter changes state (e.g., from solid to liquid, liquid to gas), the molecules or atoms of the substance rearrange themselves in terms of their spacing and movement, but the chemical identity of the substance does not change. For example, when ice (solid water) melts to form liquid water, it is still \(H_2O\) at the molecular level. In a chemical change, new substances are formed with different chemical properties (e.g., burning wood to form ash, carbon - dioxide, etc.). A nuclear change involves changes in the nucleus of an atom (e.g., radioactive decay, nuclear fission or fusion), which is not related to the state change of ordinary matter.
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Physical Change