ch6-7 test rev m

Write a lewis dot structures for these substances: I2, SiCl4, PI3, BaI2, H20,

Then tell the type of bond in each

Tell what outer electrons are doing in each

Tell whether each is a molecule or a formula unit

Give an example of a polyatomic ion. What type of bond is found in it?

How many valence electrons are in Si, P, I, Ba, O, Cl ?

Explain the paper chromatography experiment, using the word polarity. Be sure to review the lab and the demonstrations on polarity.

What is the general rule for determining what liquids will mix? Give examples.

What would these atoms do to become stable, & what would be their resulting ionic charge?

K, Rb, Xe, P, B, Sr, Cr, Fe(III), Ni(I)

Write the formulas for:

Sodium sulfide, Strontium chloride, Carbon monoxide, aluminum bromide, aluminum sulfide, Iron(III) chloride