ATOMS

ATOMS

1. Atoms

   • Are the most basic particles that make up matter
   • Hydrogen atom

2. Elements

   • A pure substance that cannot be broken down into other substances
   • Iron

3. Matter

   • Anything that has mass and takes up space
   • Solids

4. Substance

   • A single kind of matter that is pure and has a specific set of properties.
   • water

5. Molecules

   • A neutral group of two or more atoms held together by covalent bonds
   • CO2 (carbon dioxide)

6. compounds

   • A substance made of 2 or more elements chemically bonded
   • H2O (water)

7. Mixtures

   • Two or more substances that are together in the same place but their atoms are not bonded
   • assorted jellybeans

8. Homogeneous mixtures

   • it is difficult or impossible to see the different parts.
   • Coffee

9. Heterogeneous mixture

   • it is easier to take apart and spot the different parts
   • Bowl of assorted nuts

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