1. Chemistry Chapter 2 Review

2. Matter: Anything that takes up space and has mass.

4. Element vs. Compound? You need to memorize the following:
92 elements are naturally occuring (in nature)
You need to memorize the following:
O, C, H, N, Ca, P, K, S, Na, Cl, Mg
(C, H, O, and N = Life)

6. Properties of an Atom

7. Terms to know: Neutron: Protons: Electrons: Atomic Number:
Atomic Mass:
Isotope:

10. Isotope

11. Electrons

12. Electron Energy

15. Valence Electrons
# of electrons in the outermost shell, responsible for chemical bonding.
Noble Gases?

18. Types of Bonds Ionic Covalent Polar vs Non-polar
Single, double, triple
Hydrogen
Metallic

20. Interactions of Matter
In order to achieve stability, an atom will either gain, lose, or share e-s, which will change the physical and chemical characteristics
Ionic Bonds – transfer of e-s

21. Interactions of Matter
Covalent Bonds – sharing e-s; can be single, double, or triple bonds

22. Interactions of Matter
Polar Covalent Bonds – unequal sharing of e-s

23. Interactions of Matter
H-bonds and Van der Waals – interaction between slight charges