What s in a name
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What’s in a name?. When two people use different names for the same thing, misunderstood words are apt to happen. The British and Americans often get confused. Find the bonnet. Find the boot. . Which is the chemist and which is the pharmacist?.

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What s in a name
What’s in a name?

  • When two people use different names for the same thing, misunderstood words are apt to happen. The British and Americans often get confused.


Find the bonnet. Find the boot.



Where's the dummy? Find the boot.



Kerosene vs. Paraffin Find the boot.


Nomenclature
Nomenclature Find the boot.

  • A System of Naming Compounds

  • Compounds are two or more atoms of different elements bonded together.

  • Even though the gases O2, N2, F2, and Cl2 travel in pairs, their names are simply oxygen, nitrogen, fluorine, and chlorine.


METALS Find the boot. vs. Non-METALS


NOMENCLATURE Find the boot.

NON-METAL

COMPOUNDS


Toxic Gases Find the boot.

F2 & Cl2 (Fluorine & chlorine gas)

HF(g)Hydrogen Fluoride

HCl(g)Hydrogen Chloride

H2S Dihydrogen Sulfide

HCN – Hydrogen cyanide

NO - NO2- NO3 - N2O

Cl2O dichlorine monoxide

NH3 Ammonia

PCl3Phosphorus trichloride


"GREEDY" Find the boot.

with their electrons

"GENEROUS"

NON-METALS

METALS


NOMENCLATURE Find the boot.

OF COVALENT

COMPOUNDS

WITH 2 ELEMENTS

BINARY


In order to be effective in using prefixes to name compounds containing two non-metals, these prefixes must be committed to memory:

mono- 1 hepta- 7

di- 2 octa- 8

tri- 3 nona- 9

tetra- 4 deca- 10

penta- 5 undeca- 11

hexa- 6 dodeca- 12


Example 1 names to formulas
Example #1- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

Sulfur trioxide

1. Write symbols of elements

S

O

1

3

2. Write number of atoms

If no prefix, then 1 is implied and not written

Final Formula


Example 2 names to formulas
Example #2- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

dichlorineheptaoxide

1. Write symbols of elements

Cl

O

2

7

2. Write number of atoms

Final Formula


Example 3 names to formulas
Example #3- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

oxygendifluoride

1. Write symbols of elements

O

F

1

2

2. Write number of atoms

If no prefix, then 1 is

implied and not written

Final Formula


Example 4 names to formulas
Example #4- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

dinitrogentetraoxide

1. Write symbols of elements

N

O

2

4

2. Write number of atoms

Final Formula


Example 5 names to formulas
Example #5- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

phosphorus pentachloride

1. Write symbols of elements

P

Cl

5

1

2. Write number of atoms

If no prefix, then 1 is implied and not written

Final Formula


Example 6 names to formulas
Example #6- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

dinitrogen monoxide

1. Write symbols of elements

N

O

1

2

2. Write number of atoms

If no prefix, then 1 is implied and not written

Final Formula


Example 7 names to formulas
Example #7- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

carbon monoxide

1. Write symbols of elements

O

C

1

1

2. Write number of atoms

If no prefix, then 1 is implied and not written

Final Formula


Example 8 names to formulas
Example #8- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

sulfur hexafluoride

1. Write symbols of elements

F

S

1

6

2. Write number of atoms

If no prefix, then 1 is implied and not written

Final Formula


Example 10 names to formulas
Example #10- containing two non-metals, these prefixes must be committed to memory:Names to Formulas

I’m a Binary Compound

dinitrogen trisulfide

1. Write symbols of elements

N

S

2

3

2. Write number of atoms

Final Formula


Examples 1 formulas to names
Examples #1- containing two non-metals, these prefixes must be committed to memory:Formulasto Names

1. Write names of elements

CCl4

2. Write number of atoms

I’m a Binary Compound

chlor

mono

carbon

tetra

ide

ine

If first prefix is mono, it is implied and not written

Final Name


Examples 2 formulas to names
Examples #2- containing two non-metals, these prefixes must be committed to memory:Formulasto Names

1. Write names of elements

XeF3

2. Write number of atoms

I’m a Binary Compound

ide

fluor

mono

xenon

ine

tri

If first prefix is mono, it is implied and not written

Final Name


Examples 4 formulas to names
Examples #4- containing two non-metals, these prefixes must be committed to memory:Formulasto Names

1. Write names of elements

AsI3

2. Write number of atoms

I’m a Binary Compound

ine

iod

mono

arsenic

tri

ide

If first prefix is mono, it is implied and not written

Final Name


Examples 6 formulas to names
Examples #6- containing two non-metals, these prefixes must be committed to memory:Formulasto Names

1. Write names of elements

IF5

2. Write number of atoms

I’m a Binary Compound

fluor

penta

ine

ide

mono

iodine

If first prefix is mono, it is implied and not written

Final Name


Examples 8 formulas to names
Examples #8- containing two non-metals, these prefixes must be committed to memory:Formulasto Names

1. Write names of elements

N2S5

2. Write number of atoms

I’m a Binary Compound

nitrogen

di

sulf

penta

ur

ide

Final Name


Examples 9 formulas to names
Examples #9- containing two non-metals, these prefixes must be committed to memory:Formulasto Names

1. Write names of elements

SiCl4

2. Write number of atoms

I’m a Binary Compound

ide

chlor

tetra

ine

mono

silicon

If first prefix is mono, it is implied and not written

Final Name


Practice problem 1
Practice Problem #1 containing two non-metals, these prefixes must be committed to memory:

ClF3

Choose the correct name for the compound

1. carbon iodine trifluoride

No, "Cl" is not carbon & iodine, see element list

2. chlorine trifluorine

No, all binary compounds end with "ide"

3. chlorine trifluoride

Very good, click arrow to continue

4. chlorine tetrafluoride

No, you need to review prefixes

5. none of the above

No, there is a correct answer

nextproblem

Element List

Prefixes


Practice problem 2
Practice Problem #2 containing two non-metals, these prefixes must be committed to memory:

arsenic pentabromide

Choose the correct formula for the compound

1. AsBr5

Very good, click arrow to continue

2.ArBr5

No, "Ar" is not correct, see element list

No, you need to review prefixes

3. AsBr7

No, the subscript is with the wrong element

4. As5Br

No, there is a correct answer

5. none of the above

nextproblem

Element List

Prefixes


Practice problem 3
Practice Problem #3 containing two non-metals, these prefixes must be committed to memory:

N2O3

Choose the correct name for the compound

1. nitrogen trioxide

No, you need to use more prefixes

2. dinitride trioxide

No, only the last element ends with "ide"

3. dinitrogen trioxygen

No, all binary compounds end in "ide"

4. dinitrogen trioxide

Very good, click arrow to continue

5. none of the above

No, there is a correct answer

nextproblem

Prefixes


Practice problem 6
Practice Problem #6 containing two non-metals, these prefixes must be committed to memory:

dichlorine monoxide

Choose the correct formula for the compound

1. ClO

No, you don't have any subscripts

2.Cl2O

Very good, click arrow to continue

No, you have the wrong subscripts

3. ClO2

No, you have the wrong subscripts

4. Cl2O2

No, there is a correct answer

5. none of the above

nextproblem

Prefixes


Practice problem 8
Practice Problem #8 containing two non-metals, these prefixes must be committed to memory:

Tetraphosphorus decaoxide

Choose the correct formula for the compound

1. P4O10

Very good, click arrow to continue

2.P6O10

No, you have the wrong subscripts

No, this says that there are 4 molecules

3. 4PO10

No, you have the wrong subscripts

4. P2O5

No, there is a correct answer

5. none of the above

nextproblem

Prefixes


Practice problem 11
Practice Problem #11 containing two non-metals, these prefixes must be committed to memory:

NO

Choose the correct name for the compound

1. mononitrogen monoxide

No, "mono" is used only for the last element

2. nitrogen monoxygen

No, all binary compounds end in "ide"

3. mononitrogen oxide

No, "mono" is used only for the last element

4. nitride monoxide

No, only the last element ends in "ide"

5. none of the above

Very good, click arrow to continue

nextproblem

This is nitrogen monoxide


Practice problem 16
Practice Problem #16 containing two non-metals, these prefixes must be committed to memory:

silicon tetrabromide

Choose the correct formula for the compound

1. SBr4

No, "S" is not correct, see element list

2.ScBr4

No, "Sc" is not correct, see element list

3. SiB4

No, "B" is not correct, see element list

4. SiBr6

No, you need to review prefixes

5. none of the above

Very good, click the arrow to continue

nextproblem

The correct formula is SiBr4

Element List

Prefixes


Practice problem 17
Practice Problem #17 containing two non-metals, these prefixes must be committed to memory:

S4N4

Choose the correct name for the compound

1 tetrasulfur tetranitride

Very good, click arrow to continue

2. tetrasulfur nitride

No, the "nitride" needs a prefix

3. trisulfur trinitride

No, you need to review prefixes

4. tetrasulfur tetranitrogen

No, all binary compounds end in "ide"

5. none of the above

No, there is a correct answer

nextproblem

Prefixes


Practice problem 19
Practice Problem #19 containing two non-metals, these prefixes must be committed to memory:

BF3

Choose the correct name for the compound

1. monoboron trifluoride

No, you do not use "mono" for the first element

2. boron trifluorine

No, all binary compounds end with "ide"

3. boron trifluoride

Very good, click arrow to continue

4. bromine trifluoride

No, "Br" is not correct, see element list

5. none of the above

No, there is a correct answer

Element List


Practice problem 20
Practice Problem #20 containing two non-metals, these prefixes must be committed to memory:

tetraphosphorus decasulfide

Choose the correct formula for the compound

1. P6S9

No, you need to review prefixes

2.P4S9

No, you need to review prefixes

3. P4Si10

No, "Si" is not correct, see element list

4. Ph4S10

No, "Ph" is not correct, see element list

5. none of the above

Very good, click arrow to continue

nextproblem

The correct formula is P4S10

Element List

Prefixes


dual properties containing two non-metals, these prefixes must be committed to memory:

H

H

B

Al

Si

As

Ge

Sb

Te

Po

At


Element list
Element List containing two non-metals, these prefixes must be committed to memory:

1 Actinium Ac

2 Aluminum Al

4 Argon Ar

5 Arsenic As

6 Astatine At

7 Barium Ba

9 Beryllium Be

10 Bismuth Bi

12 Boron B

13 Bromine Br

14 Cadmium Cd

15 Calcium Ca

17 Carbon C

18 Cerium Ce

19 Cesium Cs

20 Chlorine Cl

21 Chromium Cr

22 Cobalt Co

23 Copper Cu

  • 24 Fluorine F

  • Francium Fr

  • 24 Gallium Ga

  • Germanium Ge

  • Gold Au

  • Helium He

  • Hygrogen H

  • Indium In

  • Iodine I

  • Iridium Ir

  • Iron Fe

  • Krypton Kr

  • Lanthanum La

  • Lead Pb

  • Lithium Li

  • Magnesium Mg

  • Manganese Mn

  • Mercury Hg

  • Molybddenum Mo

  • Neon Ne

  • Nickel Ni

  • Niobium Nb

  • Nitrogen N

  • Osmium Os

  • Oxygen O

  • Palladium Pd

  • Phosphorus P

  • Platinum Pt

  • Plutonium Pu

  • Polonium Po

  • Potassium K

  • Radium Ra

  • Radon Rn

return


Prefixes

mono- 1 hepta- 7 containing two non-metals, these prefixes must be committed to memory:

di- 2 octa- 8

tri- 3 nona- 9

tetra- 4 deca- 10

penta- 5 undeca- 11

hexa- 6 dodeca- 12

Prefixes

return


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