5 CHEMISTRY Molecular Structure

What up Poly?

100

How many carbons are in:

Al₂(CO₃)₂

2

200

Calcium Carbonate formula:

Ca(CO₃₎

300

K₃PO₄  Name would be written as:

Potassium phosphate

400

Copper(II) Nitrate    formula:

Cu(NO₃)₂

500

Which transition metals do NOT have Roman numerals written out?

Zinc and Mercury

Zn         Hg

Ionic or Covalent

100

metal combined with a non-metal

IONIC

200

metal combined with a metal:

COVALENT

300

sodium chloride combines easily with chloride forms easily to make a(n):

IONIC compound

400

Metals in IONIC compounds form cations or anions?

cations

"paws - itive"  positive charges

500

Why do cations have a positive charge?

lose electrons

groups 1 to 3 lose 1 to 3 electrons.

NAME IT

100

CuO

Copper(II) Oxide

200

Fe₂S₃

Iron(III) sulfide

300

CuClO₄

Copper(I) perchlorate

400

N₂O

dinitrogen monoxide

500

P₄O₁₀

AND

(HH₄)₂CrO₄

tetraphosphorus decoxide

AND

Ammonium chromate

ANGLES

100

Angle for a bent molecule:

105'

200

Angle for a pyramidal molecule like ammonia:

107.3'

300

Angle for a tetrahedral molecule like methane:

109'

400

angle for a trigonal planar molecule like BF₃

120'

500

Bond angle for linear molecule:

180'

Polar or Non-Polar

100

Water is: P or NP

Polar

P

200

Equal sharing of electrons: P or NP

NP

Non- Polar

300

Unequal sharing of electrons: P or NP

Polar

P

400

Partial charges created due to unequal sharing of electrons:

Polar

Partial charge

500

Vegetable oil is: P or NP

NP

Non-polar

if water will not dissolve a substance, oil should be tried.