Prefixes
The number that matches the prefix octa-
8
The overall charge of most elements in Group 2 on the Periodic Table
+2
What is the correct name for the molecular formula Si3N4?
trisilicon tetranitride
What is the correct name for the formula LiOH?
Lithium hydroxide
What's the charge of a Phosphate ion? Hint: this is a polyatomic ion
-3
4
The overall charge of an element from Group 14 on the Periodic Table
+/-4
IF5
What is the correct formula for the compound sodium acetate?
NaC2H3O2
What group on the periodic table has an overall charge of -3?
Group 15
The meaning associated with the prefix pre-
Before, at the beginning
The overall charge of most elements in Group 18 of the Periodic Table
0 (Noble Gases are neutral!)
What's the name of the following compound: N4Cl7
tetranitrogen heptachloride
The balanced formula for Al and O
Al2O3
What is the chemical formula for the polyatomic ion Ammonium?
NH4 or NH4+
The number associated with the prefix hepta-
7
The overall charge of Cyanide (CN). Hint: Cyanide is a polyatomic ion
-1
What is the name for the molecular formula SbF3?
antimony trifluoride
What is the formula for the compound rubidium sulfate?
Rb2SO4
How many atoms of Sulfur would you need to bond with 3 atoms of Beryllium?
3 atoms
The meaning of the prefix chem-
How many atoms of Fluorine would you need to balance charges with atoms of Boron?
3 Fluorine atoms (-1 charge)
What is the correct formula for the compound triphosphorous nonaiodide
P3I9
What is the correct name for the molecular formula Zn(HCO3)2?
Zinc hydrogen carbonate
Why do noble gases have no overall charge?
They have a complete valence shell- they won't naturally lose or gain any electrons