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chapter 1 lesson 1
atoms and molcues
| Question | Answer |
|---|---|
| a mixture in which two or more substances are evenly mixed but not boned together | homogeneous mixture |
| a mixture in which the substances are not evenly mixed | heterogeneous mixture |
| two or more atoms that are held together by chemical bonds and act as a unit | molecule |
| matter with a composition that is always the same | substances |
| anything that has mass and takes up space | matter |
| substance made of only one kind atom | element |
| a small particle that is building block of matter | atom |
| substance made two or more elements that are chemically joined in a specific combination | compound |
| true or false gravity IS matter because it dose not have mass and volume | false is not |
| true or false each type of ATOM has a different number of smaller particles | true |
| true or false the COMPOSITION of a substance is always the same | true |
| true or false the substances in a mixture ARE bonded together | false are not |
| true or false all atoms of an ELEMENT are alike | true |
| true or false the atoms in a MOLECULE are held together by chemical bond | true |
| true or false ELEMENTS can be classified as metals, nonmetals, and metalloids | true |
| true or false compounds are made of atoms of THE SAME ELEMENT bonded together | false two or more elements |
| true or false soda is an example of HETEROGENEOUS mixture, or a mixture in which two or more substances are evenly mixed but not bonded together | false homogenous |
| is granite a heterogeneous mixture or a homogeneous mixture | heterogeneous mixture |
| is smoke a heterogeneous mixture or a homogeneous mixture | heterogeneous mixture |
| is soda a heterogeneous mixture or a homogeneous mixture | homogeneous mixture |
| is brass a heterogeneous mixture or a homogeneous mixture | homogeneous mixture |
| is trail mix a heterogeneous mixture or a homogeneous mixture | heterogeneous mixture |
| is air a heterogeneous mixture or a homogeneous mixture | homogeneous mixture |
| is tap water a heterogeneous mixture or a homogeneous mixture | homogeneous |
| is this a typical compound made of only one kind of atom | no |
| is this a typical compound made of unbounded substance | no |
| is this a typical compound is a substance | yes |
| is this a typical compound made of elements that are bonded together | yes |
| is this a typical compound represented by a chemical formula | yes |
| is this a typical compound identity is not changed by changing the amount of its substances | no |
| is this a typical compound is the smallest part of an element | no |
| is this a typical compound is often made of molecules | no |
Created by:
carreali2911
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