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Atoms and Molecules
| Question | Answer |
|---|---|
| ___________1 _____________ molecules are when two or more _________2_________ __________________ are combined together | 1. compound 2. different elements |
| ________________________ occurs when molecules combine with other molecules to create a compound molecule. | bonding |
| _________________ is anything that takes up space | matter |
| Bonding is important because it explains how molecules _____________________ together to create compound molecules | join/combine |
| __________________ are the building blocks of matter | atoms |
| ____________________ are the smallest units of matter | atoms |
| _______1___________ on a periodic table are pure substances and made up of _______2_______ type of atom. | 1. elements 2. one |
| two or more of the same elements are combined | molecules |
| matter can change from one state to another when _____________ _____________ is absorbed or released | thermal energy |
| 3 states of matter: | 1. solid 2. liquid 3. gas |
| All ___________can be categorized as either a solid, liquid or gas | matter |
| Everything in the universe is made up of ______1________; except for: _________2_________ | 1. matter 2. heat, electricity, light |
| 3 subatomic particles: | protons neutrons electrons |
| protons: __________ charge | positive charge |
| protons are located... | in the nucleus |
| neutrons: __________ charge | no charge |
| neutrons are located... | in the nucleus |
| electrons: ____________ charge | negative |
| electrons are located... | shells or clouds |
| Solids: ___________ shape | definite |
| solids: ___________volume | definite |
| solids: particles are ______1______ and the particles move ______2______. | 1. packed tightly 2. very slowly |
| liquids: ___________ shape | no definite |
| liquids: ___________ volume | definite |
| liquids: particles are ______1_______ and the particles move _____2______. | 1. loosely together 2. medium speed |
| Gas: __________ shape | no definite |
| Gas:___________ volume | no definite |
| Gas: particles are ________1______ and the particles move _______2_______. | 1. spread apart 2. freely and fast |
| an objects ability to sink or float | Density |
| density: ________________ propert | physical |
| if an object is less dense, it will | float |
| if an object is more dense, it will | sink |
| formula for density | D: M/V |
| MEMORIZE THIS: | "ALL COMPOUNDS ARE MOLECULES, BUT NOT ALL MOLECULES ARE COMPOUND MOLECULES" |
Created by:
eeboonek12
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