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What is the most important question to ask determine whether a change is a physical or chemical change?
did the composition change
What else can I help you with?
What is the most important quiestion to ask to determine whether a change is physical or chemical?
The most important question to ask is whether the change results in a new substance being formed. Physical changes involve a change in appearance, state, or size of a substance without forming a new substance. Chemical changes involve a reaction that results in the formation of new substances with different chemical properties.
Is uranium a physical or chemical?
What is the question exactly? If it is about Uranium having physical and/or chemical properties, the answer is that it has both. Every single element and compound in this universe has both physical and chemical properties.
what element cannot be either physical or chemical?
All elements have both chemical and physical properties. The question as asked has no meaning.
Is iron a chemical or a physical property?
Iron is a chemical element, represented by the symbol Fe on the periodic table. It is a metal with unique chemical and physical properties, such as its magnetic behavior and ability to react with other elements to form compounds.
Is squeezing a watermelon to make watermelon juice a physical or chemical change?
physical, when it is changed by something not at the molecular level it is physical like your question, this is physical, if it were chemical it would be something like pouring acid on it
Is freeing a chemical or physical change?
I'm guessing your question is "Is freezing* a chemical or physical change?" and if it is, it is a physical change any phase change is a physical change
Is uranium a physical or chemical property?
What is the question exactly? If it is about Uranium having physical and/or chemical properties, the answer is that it has both. Every single element and compound in this universe has both physical and chemical properties.
Is chemical reactions a physical or chemical properties?
ChemicalTo determine it, you must alter the identity of the substance. See the Related Questions link to the left of this answer: "What is the difference between a chemical and physical property?"PhysicalElements cannot be altered, without disrupting the physical structure of the atom, so the atomic structure between the protons, neutrons, and electrons are physical.Barney9So which one is it...? Chemical or physical?~Physical. Barney9's answer was a little confusing.. but overall, you can identify an element without disrupting the atomic structure of it's atoms.
Is melting of glass a chemical or physical change?
Physical change because no new substance is created.
Is gas physical or chemical at room temp?
This question makes no sense. All substances, whether solid, liquid, or gas have both physical and chemical properties at virtually all temperatures.
Is making ice cream a physical change?
no its a chemical change (i just did i project on making ice cream in meh class and one question was "is this a chemical or physical change? how do u know?"
What is the most important question to ask to determine whether a change is physical or chemical?
did the composition change
