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Do any atoms appear or disappear during a chemical reaction? How do you know?

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Do any atoms appear or disappear during a chemical reaction? How do you know?

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What happens to the atoms that make up the molecules of substances during a chemical reaction?

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What happens to the atoms that make up the molecules of substances during a chemical reaction?

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They don’t disappear, but they sometimes appear because they change form. And example is water turning in to condensation.

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Sometimes the atoms can disappear but only temporarily. And the atoms then come back to make new molecules. We know this because (unless its Co2 or H2o or o2) you can't make new molecules out of air. So if you had a set number of oxygen and hydrogen atoms you can't just make more water molecules than the amount of hydrogen and oxygen atoms you were given.

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Some chemical reactions make the molecules mix but not into a new molecule

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Atoms never disappear....they may just change form.

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Change into new.

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Yes some atoms disappear during a chemical reaction but not fully.

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No. When there is a chemical reaction we think the molecules come together to form other molecules. For example, if you mix to molecules which happens to have two oxygen atoms and two hydrogen atoms they could come together to form a water molecule.

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The atoms that make up the new substances during a chemical reaction, form into a new substance and each atom will make a new molecule, to make a different substance. So they don’t really disappear, they just form into something new.

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They make them turn into a chemical reaction because the “ingredients” form and mix into the new substance which is the chemical reaction.

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Some atoms appear when a chemical reaction happens but the atoms and molecules mostly just change there shape.

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All of the atoms in a way kind of disappear. The atoms are still there and the substances are also still there. But how me and my partner thought of it was the atoms split off of the already made molecules and either make new molecules (while still using all of the atoms that were there) or maybe it might just have some extra atoms kind of just sitting there.

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Probably not because everything is made of atoms.

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No, I don’t think any atoms disappear during a chemical reaction, but I do think that they reform. I think this because atoms reform their molecular structure to become something new, after the chemical reaction.
Ishaan + Eliza

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Lukas and Brandon

They change with the molecules and then there will be a reaction. They might change into a molecule!

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The atoms in molecules change and interact with each other. Like, if a certain atom had a certain reaction with a different atom. When mixing up the atoms the atoms have different reactions to each other creating new substances.

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It probably Won’t it could make a different atom but when the chemical reaction happens it could reform and make a different substance! All though the molecules are still there It will either make newer molecules or nothing will really happen