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Subs and Mixes
Pure Substances and Mixtures
Question | Answer |
---|---|
Contains only one atom | Element |
Contains two or more atoms/elements and are chemically combined | Compound |
Contains two or more substances and are physically combined | Mixtures |
Evenly Mixed | Homogenous Mixture |
Unevenly mixed | Heterogeneous Mixture |
Every thing on is made of ______________. | Matter |
Cannot be broken down into simpler substances | Elements |
Homogenous and Heterogeneous | Mixtures |
Elements and compounds | Pure Substances |
Water | Compound |
Chex Mix | Mixture |
Carbon | Element |
Iron | Element |
Carbon Dioxide | Compound |
Salad | Heterogeneous Mixture |
Lemonade | Homogenous Mixture |
What two elements make up water? | Hydrogen and Water |
Sugar is a _______________. | Compound |
What three elements make up sugar? | Carbon, hydrogen, and Oxygen |
Chlorine | Element |
A compound forms as a result of a _____________ change. | Chemical |
How can a compound be broken down into elements that formed it? | Chemically |
Iron | element |
copper | element |
What two elements make up salt? | Sodium and Chlorine |
All matter is made up of ______________. | Elements |
A ____________________ is a mixture that looks like a single substance and has the same properties throughout. | Solution |
The substance that dissolves is called a ________________. | Solute |
The substance into which a solute dissolves is called a _______________. | Solvent |
The smallest particle of matter. | Atom |
The center of an atom. | Nucleus |
Compounds are made of elements in a ___________________that is always the same. | Specific Ratio |
Has a chemical Formula | Compound |
Held together by physical forces | Mixtures |
Can only be separated physically | Mixture |
Rocks | Mixture |
Diamond | Element |
Neon Gas | Element |
Sugar Water | Compound |