1. Welcome Scientists! Today: OOPS : Please turn in your Data and Graph Types practice (yellow half sheet) DQ: Look at the diagram. Label each letter with the correct name for the state of matter or the process occurring. Complete States of Matter Simulation Chemistry Basics Mind Map L2 B C A E D

2. States of Matter Simulation You have 18 minutes to COMPLETE the simulation. (Work hard!)

3. Mind-Maps A way to organize ideas and concepts using images, arrows and words Shows connections between concepts Usually organized around a central idea

4. CHEMISTR Y

5. MATTER Has volume and mass The study of the composition, structure, properties and reactions of

6. MATTER Has volume and mass Can exist in STATESSTATES SOLID LIQUID GAS PLASMA Temperature Kinetic energy of particles

7. MATTER Has volume and mass PROPERTIES ELEMENTS Can be described based on Made of a combination of

8. PROPERTIE S PHYSICAL CHEMICAL COLOR CRYSTAL STRUCTURE LUSTER (how shiny or dull) MELTING/BOILING POINT DENSITY MALLEABILITY SOLUBILITY HARDNESS FLAMMABILITY REACTION TO HEAT TOXICITY REACTIVITY (with other elements)

9. ELEMENTS Pure substances that can’t be separated Made of ELECTRON CLOUD NUCLEUS zero ELECTRONS negative charge PROTONS positive charge NEUTRONS NO charge total charge protons = electrons

10. ELEMENTS

11. Are organized in the Periodic Table based on their properties and structure.

12. PERIOD GROUP or Family PERIODIC TABLE

13. Ne 10 Atomic Mass Atomic Number 20.1797 Average number of protons + neutrons vary stay the same If the symbol is two letters, capitalize only the first Number of protons

14. Practice Atomic Number = Atomic Mass = Number of Protons= (same as Atomic #) Number of Electrons = (same as # of protons) Number of Neutrons = (Atomic mass – atomic number, then rounded to the nearest whole number ) Ca 20 40.078 20 40.078 20 40.078 – 20 = 20.078 ≈ 20

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