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Definition
small center of an atom
contain Protons & Neutrons |
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a subatomic particle with a positive charge |
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A subatomic particle with no charge |
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A subatomic particle with a negative charge |
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A substance made up of only one kind of atom |
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The smallest unit of an element that has all the properties of that element. |
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A grouping of two or more atoms joined together. |
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The table of elements in order of increasing atomic numbers grouped by similar properties. |
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A substance made of the atoms of two or more different elements. |
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How are atoms held together ? |
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Definition
attraction between positive and negative charges |
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Definition
it is the same number of protons in the its nucleus |
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How are elements arranged in the
Periodic Table |
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Definition
1) by atomic number
2) by similar properties |
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What are the 4 properties of metals |
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Definition
Ductile, Malleable, Luster, conduct heat
& conduct electricity |
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transfers heat/electricity |
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hammered/rolled into thin sheets |
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What would you want to use for a handle on a pot?
plastic, metal or metalloid? |
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Are all metals solid at room temperature? |
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