Chemical Names and Formulas

What's the charge of silver?

+1

group 1A has charge of...

+1

What's the charge of zinc?

+2

group 2A has charge of...

+2

What's the charge of aluminum?

+3

group 3A has charge of...

+3

types of polyatomic ions (in order by charge)

- OH -1 (hydroxide ion) - NO3 -1 (nitrate ion) : protein - CO3 -2 (carbonate ion) - SO4 -2 (sulfate ion) - PO4 -3 (phosphate ion) NH4 +1 (ammonium ion)

How do you use the crossover method to write the formula of a ternary compounds?

- balance the charges of the ions the same way as with binary ionic - don't mess with the polyatomic ion: treat it as a particle

group 7A has charge of...

-1

group 6A has charge of...

-2

group 5A has charge of...

-3

what is the ending for the names of all binary compounds, both ionic and molecular

-ide

What is the written formula silver hydroxide?

AgOH

What is the written formula for aluminum hydroxide?

Al(OH)3

What is the written formula for aluminum sulfate?

Al2(SO4)3

What is the written formula for aluminum phosphide?

AlP

What is the name of the compound for this formula? AlCl3

Aluminum chloride

What is the written formula for barium nitrate?

Ba(NO3)2

What is the written formula for Barium hydroxide?

Ba(OH)2

What is the written formula for barium iodide?

BaI2

What is the name of the compound for this formula? Ba3P2

Barium phosphide

What is the written formula for beryllium carbonate?

Be2(CO3)2

What is the name of the compound BeSO4?

Beryllium sulfate

What is the written formula for calcium hydroxide?

Ca(OH)2

What is the written formula for calcium phosphate?

Ca3(PO4)2

What is the written formula for Calcium carbonate?

CaCO3

What is the name of the compound for this formula? CaBr2

Calcium bromide

What is the name of the compound CaCO3

Calcium carbonate

What is the name of the compound Ca(NO3)2?

Calcium nitrate

What is the name of the compound for this formula? CaO

Calcium oxide

What is the name of the compound for this formula? CF4

Carbon tetrafluoride

What is the name of the compound CH4?

Carbon tetrahydride

What is the name of the compound for this formula? Cs2S

Cesium sulfide

What is the name of the compound CuNO3?

Copper (I) nitrate

What is the name of the compound CuCO3?

Copper (II) carbonate

What is the name of the compound Cu(OH)2?

Copper (II) hydroxide

What is the written formula for cesium carbonate?

Cs2CO3

What is the written formula for Copper (I) oxide?

Cu2O

What is the written formula for Copper (II) oxide?

CuO

What is the written formula for Copper (II) sulfate?

CuSO4

What is the name of the compound B2Si?

Diboron monosilicide

What is the name of the compound Si2Br6?

Disilicon hexabromide

What is the written formula for Iron (III) chloride?

FeCl3

What is the name of the compound FeCO3?

Iron (II) carbonate

What is the name of the compound FeSO4?

Iron (II) sulfate

What is the written formula for potassium chloride?

KCl

What is the written formula for Potassium nitrate?

KNO3

What is the name of the compound Pb(SO4)2?

Lead (IV) sulfate

What is the written formula for lithium fluoride?

LiF

What is the name of the compound for this formula? LiF

Lithium fluoride

What is the name of the compound Li3PO4?

Lithium phosphate

What is the name of the compound Li2SO4?

Lithium sulfate

What is the name of the compound Mg(OH)2?

Magnesium hydroxide

What is the name of the compound for this formula? MgI2

Magnesium iodide

What is the name of the compound for this formula? Mg3N2

Magnesium nitride

What is the name of the compound Mn(OH)4?

Manganese (IV) hydroxide

What is the written formula for Magnesium nitrate?

Mg (NO3)2

What is the written formula for magnesium oxide?

MgO

What is the written formula for Manganese (IV) nitrate?

Mn(NO3)4

What is the written formula for sodium carbonate?

Na2CO3

What is the written formula for Sodium sulfate?

Na2SO4

What is the written formula for sodium nitrate?

NaNO3

What is the name of the compound Ni3PO4?

Nickel (I) phosphate

What is the name of the compound NF3?

Nitrogen trifluoride

What is the written formula for Lead (II) carbonate?

PbCO3

What is the name of the compound K2CO3?

Potassium carbonate

What is the name of the compound KOH?

Potassium hydroxide

What is the name of the compound for this formula? K2O

Potassium oxide

What is the written formula for rubidium sulfate?

Rb2SO4

What is the name of the compound for this formula? SeF6

Selenium hexafluoride

What is the name of the compound for this formula? SiO2

Silicon dioxide

What is the name of the compound AgOH?

Silver hydroxide

What is the name of the compound AgNO3?

Silver nitrate

What is the name of the compound Ag3PO4?

Silver phosphate

What is the written formula Tin (II) chloride?

SnCl2

What is the name of the compound for this formula? NaCl

Sodium chloride

What is the name of the compound for this formula? Na3N

Sodium nitride

What is the name of the compound for this formula? SrF2

Strontium fluoride

What is the name of the compound Sr3(PO4)2?

Strontium phosphate

What is the name of the compound SCl4?

Sulfur tetrachloride

What is the name of the compound for this formula? P4S5

Tetraphosphorus pentasulfide

What is the name of the compound Sn(SO4)2?

Tin (IV) sulfate

What is the name of the compound ZnCO3?

Zinc carbonate

What is the written formula for Zinc (II) nitrate?

Zn(NO3)2

What is a polyatomic ion?

a charged particle which has two or more atoms held together by covalent (sharing of pairs of electrons) bonds

an -ate or -ite at the end of a compound name usually indicates that the compound contains

a polyatomic ion

Which of the following determines that an element is a metal? a. whether it loses valence electrons b. it is in group 5A c. when it is a member of the noble gases d. the charge is negative

a. whether it loses valence electrons

rule three for naming and writing a formula for a chemical compound

add a number prefix to show the number of atoms of each element (mono- may not be used)

Which transition metals only have one charge?

aluminum (Al), zinc (Zn), silver (Ag)

What is the name of the compound NH4Cl?

ammonium chloride

What is the name of the compound NH4NO3?

ammonium nitrate

What is the name of the compound (NH4)3N?

ammonium nitride

valence electron

an electron that is found in the outermost shell of an atom and that determines the atom's chemical properties.

atom or group of atoms having a negative charge

anion (nonmetal ion)

Ionic compounds are composed of...

anions and cations

Which of the following formulas represents an ionic compound? a. CS2 b. BaI2 c. PCI3 d. N2O4

b. BaI2

Which of the following correctly provides the names and formulas of calcium ion? a. Ca3 2- b. Ca2+ c. C2- d. Ca-

b. Ca2+

Which of the following is a cation? a. chlorite b. Ca2+ c. sulfate d. SO32-

b. Ca2+

rule two for writing formulas of binary ionic compounds

balance the positive (+) and negative (-) charge to zero (sum of + charge must be equal to the sum of - charge) by using the Crossover Method

What are the two types of ionic compounds?

binary ionic (2 elements only) and ternary ionic (have 3 or more elements)

what type of chemical compounds are there?

binary ionic, ternary ionic, molecular

How can you tell the difference between a binary and ternary ionic compound?

binary is represented by 2 capital letters, while ternary is represented by 3 or more capital letters

atom or group of atoms having a positive charge

cation (metal ion)

How are chemical formulas of binary ionic compounds generally written?

cation on left, anion on right

rule two for naming and writing a formula for a chemical compound

change the ending of the second element to an -ide ending

Compounds are not the same because...

compounds bond in different ways, so names are based on what kind of bonding occurs in the substance

Which of the following correctly provides the name of the element, the symbol for the ion, and the name of the ion? a. zinc, Zn2+, zincate ion b. fluorine, F-, fluoride ion c. sulfur, S2+, sulfur ion d. copper, Cu+, cupride ion

d. copper, Cu+, cupride ion

An -ide at the end of a compound name indicates... a. a metal b. fewer electrons than protons. c. neutral molecules. d. the second element in a compound formula

d. the second element in a compound formula

10

deca-

rule one for writing formulas of binary ionic compounds

determine the charge of each ion, the anion will change ending to -ide

2

di-

What is the name of the compound for this formula? O2

dioxide

What makes up a chemical formula?

element symbols and subscripts

How do you handle with transition metals in Ionic Compounds?

find the specific charge of that transition because they can have more than one charge (ex. Fe+2 or Fe+3)

7

hepta-

6

hexa-

ionic compounds have...

ionic bonds

What information do chemical formulas give you?

it tells you how many of each kind of atom are combined to form the compound

What is a chemical formula?

it tells you what kind of atoms are in a compound

if the chemical compound doesn't have a metal ion then...

it's not ionic

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

lithium

when group 2A elements form ions they

lose two electrons

Binary ionic and Ternary ionic

made up of a metal ion and a nonmetal ion

What are the two parts of a binary ionic compound?

made up of metal ion (positive) and nonmetal (negative)

What type of ion is calcium?

metal ion

consists of a single atom with a positive or negative charge

monatomic ion

1

mono-

rule one for naming and writing a formula for a chemical compound

name the elements in the order they appear in the formula

9

nona-

8

octa-

Ternary ionic compound

one metal ion bonded to a "polyatomic ion"

Binary ionic compound

one metal ion bonded to one nonmetal ion (ex. NaCl)

what type of ions have names ending in -ide

only anions

5

penta-

group 4A has charge of...

plus or minus 4 because it has an equal charge (it's molecular)

an ion made up of more than one (group) atom

polyatomic ion

What is the correct given name for K2O?

potassium oxide

in naming a binary molecular compound, the number of atoms of each element present in the molecule is indicated by

prefixes

What's the additional rule for transition metals?

rules are the same but you have to add a roman numeral to indicate the charge (ex. FeCl3 = Iron (III) chloride)

Molecular compound

substances with covalent bonds, made up of 2 or more nonmetals (right side of table)

4

tetra-

What do roman numerals tell you?

the charge of the ion so you can do crossover

What is the rule for ternary ionic compounds?

they are treated the same as binary ionic compounds

What is the one role you need to know to NAME a binary ionic compound?

to change the anion to an -ide ending

3

tri-

rule three for writing formulas of binary ionic compounds

use subscripts to tell how many of each ion is needed to balance the net charge of the compound to zero (reduce) ex.) Mg2O2 = MgO

How can you tell if a formula is a molecular compound?

when it has 2 or more letters that represent nonmetal elements