BossEagle61
19.05.2020 •
Chemistry
PLEASE HELP ME :)
Ice can melt to form water. The water can be frozen back to ice. Is ice melting a physical or chemical change? Explain.
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Ответ:
Ice melting is a physical change. Physical changes are changes which affect the form of a chemical substance, but not its chemical composition. Certain factors, such as, temperature, contribute to the melting of ice, but it will be classified as a physical change, because the number of molecules present in the water does not change.
Explanation:
Ответ:
the positive ionic radius is smaller than the neutral atomic radius
Explanation: