Term
| Properties you observe without changing it to another substance are called a __________ __________. |
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Definition
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Term
| Properties you observe when a substance changes into a different substance is called a ____________ _______________. |
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Definition
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Term
| A substance that cannot be broken down into any other substances by chemical or physical mean is an ________. |
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Definition
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Term
| A substance made of two or more elements that are chemically combined is a ______________. |
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Definition
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Term
| Two or more substances in the same place that are not chemically combined (they can be separated) is a ________. |
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Definition
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Term
| An alteration in appearance that does not convert the material to a new substance is a _________ ________. |
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Definition
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Term
| A change in matter that forms one or more new substances (can't be changed back) is a __________ __________. |
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Definition
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Term
| Give 2 examples of chemical changes. |
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Definition
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Term
| Give 2 examples of a physical change. |
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Definition
water freezing
breaking boulders into small stones |
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Term
| The core of an atom that contains the protons and neutrons is the __________. |
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Definition
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Term
| The positively (+) charge particle in an atom is ___________. |
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Definition
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Term
| The negatively (-) charged particle in an atom is an_________. |
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Definition
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Term
| The part of an atom that has no charge at all and is in the nucleus is a ________. |
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Definition
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Term
| The number that tells how many protons and electrons and atom has is it's ______ ________. |
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Definition
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Term
| Atoms of the same element with different numbers of neutrons are called _________. |
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Definition
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Term
| The layers of electrons around the nucleus of an atom are called ________. |
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Definition
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Term
| The number of electrons in the outermost shell of an atom is called a _________ __________. |
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Definition
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Term
| What are groups on the Periodic Table also called and what do they have in common? |
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Definition
| columns or families and they all have similar properties |
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Term
| What are periods in the Periodic Table also called? |
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Definition
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Term
| Where are metals on the Periodic Table located? |
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Definition
| to the left of the zig zag line |
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Term
| Where are nonmetals located on the Periodic Table? |
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Definition
| to the right of the zig zag line |
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Term
| Where are metalloids located on the Periodic Table? |
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Definition
| On either side of the zig zag line |
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Term
| Name some physical properties of metals. |
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Definition
hardness,
shininess (luster),
malleability,
ductility,
magnetic,
conductivity, |
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Term
| Name some chemical properties of metals? |
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Definition
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Term
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Definition
| A mixture of two or more elements that has the properties of a metal. |
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Term
| What are the Alkali metals? |
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Definition
| The most reactive metals. |
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Term
| Where are the Alkali metals located on the periodic table? |
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Definition
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Term
| What are the Alkali Earth metals and where are they located on the periodic table? |
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Definition
| the 2nd most reactive of the metals and they are located in Group 2 |
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Term
| What are the transition metals and where are they located on the periodic table? |
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Definition
| They are the bridge between the most reactive metal and the least reactive metals. They are Groups 3 thru 12. |
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Term
| What are the lanthanides where are they located on the periodic table? |
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Definition
| Lanthanides are soft, malleable,shiney metals with high conductivity. They are at the bottom of the table in the top row. |
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Term
| What are the Actinides and where are they located on the periodic table? |
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Definition
| Actinides are the most unstable of elements, they are very rare and found at the bottom of the table in the bottom row. |
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Term
| An element that lacks most of the properties of a metal is called a ________. |
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Definition
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Term
| An element that lacks most of the properties of a metal is called a ________. |
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Definition
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Term
| Name some physical properties of nonmetals. |
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Definition
some are gases
solids are dull and brittle |
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Term
| What are some chemical properties of nonmetals? |
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Definition
| Most of them form bonds with other atoms except for Group 18. |
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Term
| What are the Carbon, Nitrogen and Oxygen families? |
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Definition
Carbon - Group 14
Nitrogen- Group 15
Oxygen - Group 16 |
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Term
| Tell what the halogen family is and what does its name mean. |
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Definition
| Very reactive and start with Fluorine and go to Astatine. Halogen means salt-forming. |
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Term
| Why are the Noble gases so chemically stable? |
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Definition
| Because their outer shell of their atoms is full. |
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Term
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Definition
| They have properties of metals and nonmetals. |
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Term
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Definition
| Anything that has weight and takes up space. |
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