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Science study guide
All about counting elements to chemical and physical change
Question | Answer |
---|---|
How many elements are in the example CH2CaS | 4 |
How many elements are in the example below SHCCaCHS | 4 |
What is a chemical change | A change that changes the chemical makeup in a substance. |
What is a physical change | A change that keeps all the properties the same just a different state of matter or different measurements. |
What is a example of a chemical change | Fire cause it changes wood into different gases. So the chemical makeup of the wood changed. |
What is a example of a physical change | A example of a physical change is Igneous rock melting back into lava cause transforming from one state of matter tom the other is a physical change. |
Physical Properties | Properties that can be observed or measured without changing substance |
Chemical properties | Properties that changes the substance's chemical identity |
What is the physical property of baking soda | Fine white powder |
What is the physical property of Red Phenol | Red Liquid |
What is the physical property of vinegar | Clear Liquid |