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| A (an) is the basic unit of matter. |
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| Particle in the nucleus of an atom that has zero charge. |
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| Particle in the nucleus of an atom that has a negative charge. |
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| Particle in the nucleus of an atom that has positive charge. |
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| The mass number of an individual isotope. |
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| The number of protons in an element is also the ___________ ______ of the element. |
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The __________ force holds the
electron(s)in the atom. |
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| the spontaneous decay of an atom into another isotope of the same or different element. |
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| Alpha and Beta particle and Gamma radiation |
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Definition
| The three types of radioactive decay. |
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| The central science, the study of matter. |
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Definition
| An atom's identity comes from which subatomic particle? |
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Definition
| The first periodic table was developed by... |
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Definition
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| In the scientific method, an investigation uses methods of control to test a(an) ... |
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Definition
| Is density a chemical of physical property of matter? |
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Term
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Definition
| Baking cookies is a __________change. |
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Definition
| Breaking glass is a __________change. |
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| What is the last step of the scientific method? |
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Definition
| What is the phase change called from solid to gas? |
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Term
| Mass cannot be created or destroyed |
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Definition
| What is the Law of Conservation of Mass? |
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Term
| Solid, liquid, gas, and plasma |
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Definition
| What are the four states of matter? |
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Definition
| Organized table of elements by atomic number. |
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Definition
| Elements with the same number of protons but different numbers of neutrons |
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Definition
| The decay rate used for radioactive substances |
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