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Definition
| Smallest unit of an element |
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Parts of an experiment that remain unchanged |
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The SI unit for temperature |
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A substance made of two or more different elements that are chemically combined |
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A change that occurs when a substance changes composition by forming one or more new substances |
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A variable whose value depends on that of another |
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Information
Summarizing the results of an experiment |
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Definition
Method used to find the volume of an odd shaped solid |
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Definition
Matter that has definite chemical and physical properties |
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A change in matter from one form to another without a change in chemical properties |
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A type of mixture in which the composition is not uniform |
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Definition
A type of mixture in which the composition is uniform.
Every part of solution has same properties |
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Curved upper surface of a liquid in a tube |
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Definition
Two or more substances that have been physcially combined |
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Definition
Anything that has mass and takes up space |
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The smallest particle of a compound that still retains its properties |
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Observing, studying, and experimenting to find the nature of things |
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Definition
| Substance changes composition by forming one or more new substances |
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Definition
| One or more letters that represent an element's name (first letter is always capital) |
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Definition
| A combination of chemical symbols and numbers that represent a compound |
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Definition
| Used in a chemical formula to indicate the number of atoms of anelements in the compound |
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Definition
| A homogeneous mixture of 2 or more substances evenly distributed |
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Definition
| The substance in the solution that does the dissolving (most common solvent is water) |
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| The substance in a substance that is dissolved |
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| The ability of a substance to dissolve another substance |
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A change in the state of matter (solid to liquid, etc)
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| The average of the masses of all naturaly occuring isotopes of an element. |
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Definition
| Atomic mass unit-a unit that describes the mass of an atom. |
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| The Number of protons in the nucleus of an atom |
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Definition
| the most basic, pure substance; Cannot be chemically broken down into simplier substances. |
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| A subatomic particle that has a negative charge. |
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Definition
| The area in an atom where the electrons exist. (OUTSIDE the nucleus) |
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| An atom that has the same number of protons as other elements do, but that has a different number of neutrons. |
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| The sum of the numbers of protons and neutrons in an atom. (ONE atom) |
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| An atoms central region which is made up of protons and neutrons. (The Most MASS of an atom is here) |
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Definition
| A subatomic particle that has NO change(neutral) and that is found in the nucleus of an atom |
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Definition
| A subatomic particle that has a positive change ans that is found in the nucleus of an atom. |
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