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Atoms: atoms can only be rearranged in a chemical reaction because matter cannot be destroyed or created. They are regrouped and form a new substance with different properties.The atoms will stay the same even before and after the reaction.

Substance:a substance is formed by a chemical reaction.The atoms in recatens rearrange themselves and bond to form one or more new products. Substances are either compounds or chemical elements
Properties: properties identify what a substance is and When a chemical reaction happens a new substance is created and new properties are made.

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You can Find out if a chemical reaction happened by looking at the properties of the substance for example look at a car you see how the metal on the car is shiny and it is made out of iron.
Now let's leave the car outside and lets go 20 years into the future now look at the car you see how the metal is not shiny it's a broken and it looks like something red and brown is covering it.
That is called Rust it happens when iron meets water and it is there for a long time and the iron oxidises it is also a chemical reaction the physical properties changed.

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areli montes

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The five conditions of chemical change are color change, formation of a precipitate, shaping of a gas, odor change, temperature change. You can tell when a chemical reaction occurs when the state of the object has change.

Different examples to this can be when you light a fire, use batteries, baking, and even happens in photosynthesis.

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Chemical Reactions Table- Nickolas Lopez

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Chemical Reactions Table- Nickolas Lopez

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Atoms

Atoms can  only rearrange themselves in a chemical reaction due to matter not being able to be created or destroyed

Atoms are made into a group and create a new substance with different properties

Before and after the chemical reaction the atoms will still be the same , even if there is a new substance

Substances

substance is formed due to a chemical reaction

Substances are either  Chemical elements

Or compounds

atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants.

Properties

properties can help identify what the substance is

the atoms in the reactants rearrange themselves and bond together differently to form one or more new products with different characteristics than the reactants.

When a new substance is created

They  can be different properties.

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Chemical reactions are when a substance changes or has a reaction to another substance. There are five conditions of chemical change, Formation change, Shape of gas, Odor change , color change, and temperature change. If these things happen there was a chemical reaction and you have identified it. If the state of an object changes a chemical reaction occurred.

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Question:

Create a table listing the different ways that you can prove a chemical reaction has occurred. List the types of reaction, then write out the evidence that it occurred.
Oder, Color Change, Temperature, Precipitate, and Gas-Bubbles.

Atoms: Atoms will be able to rearrange themselves in a chemical reaction since matter isn’t able to be broken down or created.
When the atoms are rearranged they can create a new substance but just with new different properties.
Substances: Substances will be able to form by cause of chemical actions. Substances can either be chemical elements or any sort of compound. When the atoms react to the chemical change they rearrange themselves and can bond differently in many new forms or make new products with different characteristics than it was before.
Properties: With the use of properties you can see how to identify what a substance is. You can tell by seeing that when a substance is created you can see that it will have new and different properties.

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Chemical reaction is when you see a reaction happen between two substances. There is 5 ways you can tell a chemical reaction occurred, when there is color change, creation of odor, change of temperature, formation of gas, Formation of change, and precipitate.When you see any of these you know that there has been a chemical reaction

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When you mix iron and oxygen, you get rust. However, it is easy to know it is changing. The iron decays over time. As the iron ages, air molecules change the physical state of the iron, changing its properties but keeping its substance.

There are other chemical reactions, such as cooking an egg. The change shows, by changing its density. The density of the egg changes via cooking it, as the air from cooking it releases and the water from the egg (if it's hardboiled) turns to condensation.

Both of these chemical reactions show how the chemical reactions occurred, while the chemical reactions may be different than others.

Link to the Chemical Reactions Portfolio:

https://sites.google.com/d/1q5TTqdz7crnarlYl3xQ2I7mfONYY0Sma/p/1cHqF17NpoVXxXkMMusOT2wee5MyUD3b9/edit

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