Chem 115 Quiz #4 chapter 7 & 8

What are molecular compounds?

bond between two nonmetal atoms (covalent)

What are ionic compounds?

bond between metal and nonmetal atoms (ionic bond)

What is the prefix for 4 atoms in a molecular bond?

tetra-

What is the prefix for 5 atoms in a molecular bond?

penta-

What is the prefix for 6 atoms in a molecular bond?

hexa-

What is the prefix for 7 atoms in a molecular bond?

hepta-

What is the prefix for 8 atoms in a molecular bond?

octa-

What is the prefix for 9 atoms in a molecular bond?

nona-

What is the prefix for 10 atoms in a molecular bond?

deca-

What is always at the ending of compounds?

-ide

What is a charge of a cation?

positive charge

What is the charge of a anion?

negative charge

What is the formula of the hydroxide ion?

OH⁻

What is the formula for the nitrate ion?

NO₃⁻

What is the formula for the carbonate ion?

CO₃²⁻

What is the formula for the chlorate ion?

ClO₃⁻

What is the formula for the sulfate ion?

SO₄²⁻

What is the formula for the sulfite ion?

SO₃²⁻

What is the formula for the Phosphate ion?

PO₄³⁻

What is the formula of the Permanganate ion?

MnO₄⁻

What is the formula of the Chromate ion?

CrO₄²⁻

What is the formula of the Ammonium ion?

NH₄⁺

How is naming of an ionic compound where bond only forms one type of ion?

name of cation (metal) - name of anion (nonmetal) + -ide

How is naming of an ionic compound where bond forms more than one type of ion?

name of cation (metal) - charge of cation (in roman numerals) - base name of anion (nometal) + -ide

What are the metals ions that have more than one charge when naming coupounds?

• copper

• iron

• lead

What are the two possible charges of copper?

I & II

What are the two possible charges of iron?

II & III

What are the two possible charges of lead?

II & IV

What is avogadro’s number

6.02×10²³