Atoms, Ions, and Molecules

Bell Ringer Which of the following represents an organic molecule? ▫A. CuSO 4 H 2 O ▫B. C 12 H 22 O 11 ▫C. AgNO 3 ▫D. H 2 O

Atom Smallest basic unit of ______. What else have we identified as a basic unit of structure and function?

Element Type of atom Can’t be broken down into a simpler substance Identified by number of ______ How can we identify the number Of protons, neutrons and electrons From this picture?

Elements Carbon, Oxygen, Nitrogen and Hydrogen =96% of human body’s mass

Bohr Model Draw a hydrogen, oxygen, and carbon atom. Check your book to see how many protons, neutrons, and electrons to include.

Ions and Isotopes ________-same number of protons (same element) different number of neutrons (different mass) ▫Ex: Carbon-14 ________-atom or group of atoms with a positive or negative charge  Ex: Na +  Is this a cation or anion? What’s the difference?

Compounds Different elements bonded together in a certain ratio Can be _______ or ________ Examples?

Compounds Compounds often have different ______ than the elements that compose them. Example: water

Chemical Bonds Chemical bonds form between ______ Different types: Ionic and Covalent

Assignment In your group, create a diagram showing the differences between Ionic and Covalent bonds. Use your textbook and the article provided for information Include: ▫Characteristics ▫Pictures/Drawings ▫Examples