Thursday, November 7, 2013

Physical Science 2 Unit 2

Day Starter 
Objective: Students will illustrate and explain chemical bonding by completing assignments using the words ionic bond, covalent bond, polar molecule, metallic bond, electronegativity, valence electron, compounds, ions, cations, anions.

Question:
1) What is the difference between and ionic bond and a covalent bond?
2) If an atom has 6 valence electrons will it gain electrons or lose electrons to make 8? What will its charge be?
3) What is an anion? Cation?


Exit Starter
What is an ionic bond? Write a perfect 3 sentence paragraph and use 2 of the following words in your response: cation, anion, ion, electronegativity.