CLASSIFICATION OF MATTER
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| __are two or more elements that have been chemically combined | COMPOUNDS
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| ___are two or more atoms that have been chemically combined | MOLECULES
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| This is a shorthand way of representing an element | CHEMICAL SYMBOL
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| If a substance can be dissolved in water, it is ___ | SOLUBLE
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| If a substance cannot dissolve in water it is ___ | INSOLUBLE
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| a mixture that appears to be the same throughout | HOMOGENEOUS MIXTURE
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| a mixture that does not appear to be the same throughout. | HETEROGENEOUS MIXTURE
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| taco salad, granite and italian dressing are all examples of which type of mixture | HETEROGENEOUS
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| whipped cream, glue and chocolate milk are all examples of which kind of mixture? | HOMOGENEOUS
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| This is composed of two or more substances mixed together but not chemically combined. | MIXTURE
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| __are the simplest type of pure substance. They cannot be broken down into simpler substances. | ELEMENTS
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| is a homogeneous mixture formed when one substance dissolves in another substance | SOLUTION
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| In a solution, the substance that is dissolved into the other substance is the __ | SOLUTE
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| In a solution, the substance doing the dissolving is the __ | SOLVENT
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| In a solution of chocolate milk, identify the solute and solvent | milk is solvent and chocolate powder is solute
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| refers to the amount of a solute that can be completely dissolved in a given amount of solvent at a specific temperature. | SOLUBILITY
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| is a combination of chemical symbols usually used to represent a compound. | CHEMICAL FORMULA
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| is the smallest particle of an element that has the properties of that element. | ATOM
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| Classify each of the following as an element, mixture or compound: 1. Copper Sulfate (CuSO4), 2. Ocean water, 3. Helium, 4. Kool-Aid Drink, 5. Calcium | 1. compound
2. mixture
3. element
4. mixture
5. element
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| How many atoms are in the following molecule of silicon dioxide (SiO2) | 3
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| How many atoms of Oxygen are in copper sulfate (CuSO4)? | 4 atoms of oxygen
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| (Name 3 factors that effect the solubility of a substance. | 1. temperature of solvent, 2. stirring rate of soluton, 3. surface area of solute (size of solute crystal/crushing of crystal)
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| Identify the example(s) of pure substance | ELEMENT, COMPOUND
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| When you combine substances into a mixture, do they usually keep their own properties? | YES, most properties stay the same
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| Which type of matter can be broken down chemically? | COMPOUNDS
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| which type of matter can be broken down by physical means? | MIXTURES
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| Describe how you could separate a mixture of salt water. | evaporate the water and the salt remains behind in original container
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| a substance that is made up of one type of matter and has one set of properties | PURE SUBSTANCE
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| Does the ratio (amount) of components in a mixture need to remain fixed or can it change? Explain | The ratio of components in a mixture do not need to remain fixed. Mixtures can have varying amounts of ingredients and still be a mixture containing those components.
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| In a solution of chocolate milk, what is the solute? solvent? | chocolate syrup/powder is the solute. Milk is the solvent.
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| How many elements are in the compound CuSO4? How many atoms are in CuSO4? | 3 elements, 6 atoms
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| Soda, such as Mountain Dew and Coke, is a solution. What is the solute and solvent in soda? | solute=CO2 gas, solvent=water mixture
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| Identify the elements in NaCl. | sodium (Na) and Chlorine (Cl)
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| Which is not a pure substance: salt, iron, sugar water? Explain your choice | sugar water--it's a mixture of 2 compounds
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