quarter final 3 (naming and chemical quantities)

Ammonium Bromide

(NH4)Br

What is the common ion charge on Cs

+1

What is the common ion charge on Mg

+2

What is the common ion charge on Al

+3

What is the common ion charge on Cl

-1

What is the common ion charge on O

-2

What is the common ion charge on N?

-3

6. What is the mass of 0.921 moles of sulfur dioxide gas (SO2)?

59 g

How many moles of nitrogen gas, N2, are there in 16.8 L of this gas at STP?

0.75 mol

Trisulfur heptaoxide

1. S3O7

Aluminum chloride

AlCl3

2. What is the empirical formula for a compound that is 7.70 % carbon and 92.3 % chlorine?

CCl4

CCl4

Carbon tetrachloride

Chlorine pentabromide

ClBr5

Cu3P

Copper (I) Phosphide

Li2S

Lithium Sulfide

Dinitrogen octafluoride

N2F8

What is the molecular formula for a compound that is 34.31% sodium, 17.93% carbon, 47.76% oxygen and has a molar mass of 134.00g?

Na2C2O4

Oxygen difluoride

OF2

2. What is the empirical formula for a compound that is 94.1% oxygen and 5.90 % hydrogen?

OH

Lead(II) iodate

Pb(IO3)2

What is the molecular formula for a compound that is 33.38% sulfur and 66.62% oxygen and has a molar mass of 192.14g?

S2 O8

Hexaselenium Decachloride

Se6Cl10

Be3P2

beryllium phosphide

H2(CO3)

carbonic acid

Cu(NO3)

copper (I) nitrate

N2F6

dinitrogen hexafluoride

P2O3

diphosphorus trioxide

Ga2O3

gallium oxide

HBr

hydrobromic acid

HI

hydroiodic acid

H2S

hydrosulfuric acid

H(IO3)

iodic acid

Fe(CO3)

iron (II) carbonate

Fe(ClO)2

iron (iii) hypochlorite

Ionic bonds form between

metals and nonmetals

Covalent bonds form between...

nonmetals

H3(PO3)

phosphorous acid

Ba(SO4)

barium sulfate

6. How many molecules of OF2 would have a mass of 0.132 g?

1.47 x 10 ^21

How many moles of Xenon gas, Xe, would occupy 37.8 L at STP?

1.70 mol

6. What is the mass of 2.23 x 10^23 atoms of sulfur?

11.9

What is the percentage of Cr in Al2(CrO4)3

38.8%

What is the percentage of Ni in Ni3(PO4)2

48.105%

What volume would 2.25 moles of Ne gas occupy at STP?

50.4 L

What is the percentage of Ba in Ba(NO3)2

60.32%

What is the mass of 3.20 x 1023 formula units of iron (III) oxide (Fe2O3)?

84.9g

What volume would 0.435 moles of hydrogen gas, H2, occupy at STP?

9.74 L

Barium acetate

Ba(C2H3O2)2

Beryllium nitride

Be3N2

What is the empirical formula for a compound that is 83.7 % carbon and 16.3 % hydrogen?

C3H7

What is the molecular formula for a compound that is 92.24 % carbon and 7.76% hydrogen and has a molar mass of 78.12g?

C6H6

Gallium iodide

Ga I3

Sulfuric acid

H2SO4

Arsenic acid

H3AsO4

hydrofluoric acid

HF

Permanganic acid

HMnO4

Mercury(II) hypochlorite

Hg(ClO)2

IBr3

Iodine tribromide

Fe(C2H3O2)3

Iron (III) Acetate

Potassium hydroxide

K(OH)

How can I tell I'm looking at an ionic compound when given a chemical formula

The first elements in the compound will almost always be a metal

How can I tell I'm looking at an acid if I'm given a chemical formula

The formula will begin with an H

Al(NO3)3

aluminum nitrate

Sn(SO4)

tin (II) sulfate