Honors Chem 1 - Unit 5

What determines that an element is a metal?

Whether it loses electrons

What is the correct formula for an ionic compound containing barium ions and carbonate ions?

BaCO3

What is the correct name for Sn3(PO4)2?

Tin(II) phosphate

What is the correct formula for ammonium bromide?

NH4Br

What is the formula for octane?

C8H18

What is the correct name for the N3- ion?

Nitride ion

What is the formula for hydrosulfuric acid?

H2S

What is the correct formula for potassium dihydrogen phosphate?

KH2PO4

What is the correct formula for barium chlorate?

Ba(ClO3)2

When the name of an anion that is part of an acid ends in -ite, what suffix does the acid name include?

-ous

What is the charge on the copper ion in Cu3P?

1+

What is the correct name for N2O3?

Dinitrogen trioxide

What is the correct name for SrCl2?

Strontium chloride

What is the correct name for N2O4?

Dinitrogen tetraoxide

When naming acids, the prefix hydro- is used when the name of the acid anion ends in ____.

-ide

What is the correct name for Co2S3?

Cobalt(III) sulfide

What is the name of H2SO3?

Sulfurous acid

How are chemical formulas of binary ionic compounds generally written?

Cation on left, anion on right

What is the correct name for the compound CoCl?

Cobalt(I) chloride

Molecular compounds are usually composed of which types of elements?

Two or more nonmetallic elements

Identify the ions present in Na2SO4.

Na+ and SO4^2-

What is the correct name for MnS?

Manganese sulfide

What is the correct formula for calcium dihydrogen phosphate?

Ca(H2PO4)2

What is the correct formula for potassium sulfite?

K2SO3

What is the correct name for Ca(C2H3O2)2?

Calcium acetate

What is the correct formula for an ionic compound that contains magnesium ions and phosphide ions?

Mg3P2

What is the correct formula for iron(II) nitrate?

Fe(NO3)2

When Group 2A elements form ions, they lose how many electrons?

Two electrons

What is the correct name for N2O5?

Dinitrogen pentoxide

Which element, when combined with fluorine, would most likely form an ionic compound?

Lithium

What type of ions have names ending in -ide?

Only anions

When naming a transition metal ion that can have more than one common ionic charge, how is the charge indicated?

By a Roman numeral following the name

What is the correct formula for cobalt(III) bromide?

CoBr3

Which ion does aluminum typically form?

Al3+

What is the correct name for CCl4?

Carbon tetrachloride

What is the correct name for NH4NO3?

Ammonium nitrate

What is the formula for phosphoric acid?

H3PO4

What is true about the composition of ionic compounds?

They are composed of anions and cations

What type of compound is CuSO4?

Polyatomic ionic