1. Elements, Compounds, or Mixtures???

2. Matter What is Matter? What are examples of matter? What is NOT matter? Anything that has mass and takes up space. People, atoms, chairs, food,…etc. Emotions, Energy

3. Atom A unit of Matter, the smallest unit of an element having all the characteristics of that element Contains Protons, Neutrons, and Electrons

4. Element A Pure substane containing only one kind of ATOM Examples: Lithium (Li), Calcium (Ca), Oxygen (O)

5. Compound A pure substance containing two or more DIFFERENT kinds of atoms CHEMICALLY COMBINED Examples: Sodium Chloride (Table Salt)

6. Mixture Two or more elements or compounds not chemically combined Examples: Pop, Cereal, Salad, Salt Water

7. Heterogeneous Mixture A non uniform mixture Examples: Raisin Bran, Fruit Salad, Sand

8. Homogeneous Mixture A uniform mixture, also called a solution Examples: Salt Water, Apple Juice

9. Pure Substance Substance with the same composition throughout and the same set of properties Elements, or Compounds H 2 O, S 8, O 2, H 2

10. Molecule The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms

11. Atoms, Molecules,or Both? Element, Cmpd, Mix? Heterogeneous or Homogeneous? AtomsElementHomgeneous

12. Atoms, Molecules,or Both? Element, Cmpd, Mix? Heterogeneous or Homogeneous? MoleculesCompoundHomgeneous

13. Atoms, Molecules,or Both? Element, Cmpd, Mix? Heterogeneous or Homogeneous? BothMixHeterogeneous

14. Which of the following is a pure Substance? ABC