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| The smallest particles of an element that have the properties of the element. |
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| The number of protons in the nucleus of an atom. |
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| The sum of protons and neutrons in the nucleus of an atom. |
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| Substance made of two or more kinds of atoms combined in different proportions. |
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| Substances made entirely of one type of atom. |
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| Particles in atoms wit negetive charge. |
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| Atoms of the same element that differ in number of neutrons. |
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| Particles in atoms without any posotive or negetive charge. |
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| The posotivly chareged particles in atoms. |
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| Spontaniously emmiting radiation, resulting from the changing in the nuclei of atoms. |
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| a force of attraction between atoms that holds them together in compounds. |
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| A representation of a substance using symbols for its constituent elements |
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| A process that involves changes in the structure and energy content of atoms, molecules, or ions but not their nuclei |
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| The bond formed by the sharing of a pair of electrons by two atoms. |
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| A molecule containing two atoms. |
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| An electrically charged atom or group of atoms formed by the loss or gain of one or more electrons |
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| The electrostatic bond between two ions formed through the transfer of one or more electrons. |
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| Law of conservation of Mass |
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Definition
| the principle that matter cannot be created or destroyed. |
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| the smallest physical unit of an element or compound |
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| a substance obtained from another substance through chemical change |
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| any substance that undergoes a chemical change in a given reaction. |
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| A mixture in which solute particles are larger than molecules or ions but are too small to scatter out. |
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| A combination of substances that are physically mixed. |
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| Substances that are dizzolved in solvents. |
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| Substances that make up the bolk of a solution. |
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| A mixture that separates when left still. |
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| Compound that makes hydrogen molecules in water. |
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| Any compound that produes excess hydrogen in water. |
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| A substance that indicates the pH balance. |
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| A reaction of an acid with a base to produce neurons. |
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