1. Essential Question
How can one explain the structure, properties, and interactions of matter?

2. Chapter B-1 Lesson 1 What are elements?

3. Matter

4. Matter is anything that takes up space and has mass
Matter is anything that takes up space and has mass. (weight on Earth) Your weight on other planets and moons

5. Elements http://www.chem4kids.com/files/elem_intro.html

6. Elements cannot be broken down into other substances by heat, light, or electricity.

7. Periodic Table of Elements http://www.webelements.com

8. Periodic Table of Elements is a chart that classifies elements by their properties.

9. Metal, Metalloids, Non-Metallic

10. Metal
Can be hammered into sheets of pulled into wires

11. Atoms http://www.chem4kids.com/files/atom_intro.html

12. Atom is the smallest particle of an element that has the properties of the element

13. Nucleus

14. Nucleus is the center of an atom where protons and neutrons are located

15. Proton

16. Proton is a particle in an atom that has a positive electrical charge
Proton is a particle in an atom that has a positive electrical charge. It is located in the nucleus of the atom.

17. Neutron

18. Neutron is a particle in an atom that has NO charge
Neutron is a particle in an atom that has NO charge. It is located in the nucleus of the atom.

19. Electron

20. Electron is a particle in an atom that has a negative electrical charge. It is located outside of the nucleus.

21. Chapter B-1 Lesson 2 What are compound?

22. Molecule

23. Molecule – two or more atoms joined together

24. Compound

25. Compound – a substance made up of atoms of more than one element joined together in a molecule

26. Formula Water H2O Carbon dioxide CO2 Glucose C6H12O6
 Sodium chloride NaCl
 Magnesium sulfate MgSO4

27. In a chemical formula the symbol of each element is shown with subscript numbers telling how many atoms of each element are in the molecule