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Mrs. D Atoms
Physical Science Chapter 1
| Question | Answer |
|---|---|
| A(n) _______________ cannot be broken down into another substance by heat, light, or electricity. | element |
| A chart of all the elements in the world can be found on the __________________________. | periodic table |
| A tiny particle of matter is called a(n) _____________ | atom |
| The center of an atom is called the _______________ | nucleus |
| Inside the nucleus of an atom you will find _____________ and ________________. | protons, neutrons |
| A proton has a _____________ charge | positive |
| A neutron has _________________ charge. | no |
| An electron has a _________________ charge. | negative |
| Electrons are found ____________ the nucleus | outside |
| Two or more atoms joined together is called a _______________ | molecule |
| A molecule is the ___________ unit of many substances. | smallest |
| When atoms of two or more different combine, they form a _____________ | compound |
| An example of a compound is ________________ | water |
| The two elements that make up water are _____________ and ________ | hydrogen, oxygen |
| When two or more substances are mixed together but their atoms are not combined it is called a ___________ | mixture |
| Mixtures are ____________ to separate | easy |
| Compounds are ______________ to separate. | difficult |
| A mixture in which substances break up into their most basic particles is called a _________________ | solution. |
| A good example of a solution is _______________ | salt water |
| A characteristic that you can observe with your senses is called a __________________. | physical property |
| A property that describes the way a substance reacts with other substances is called a __________________ | chemical property |
| When a ___________change takes place the substance does not become a different substance | physical |
| A ____________ change is a change that forms a new substance. | chemical |
| Compounds ___________ be easily separated. | cannot |
| Elements are classified by their properties and _____________ | structure |
| Compounds are made up of ____________ element. | more than one |
| In a _____________ the parts are spread out evenly | solution |
| One step that in a series of steps that take place in a chemical change is a __________________ | chemical reactions |
| Elements are classified in the _____________________ | periodic table |
Created by:
sderinger
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