Question

Alan

只有氧是不規則的命名嗎？
Tetroxide vs tetraoxide
Pentoxide vs pentaoxide

PCl5 後面Cl 就是 pentachloride

6

机
BLE 2.6 |  Prefixes Used to

Indicate Number
im Chemical Names

U選4
7)o7o-
g-

7二

Numberindicated
1

7efrg-
2e77o-
Agexog-
7epfg-
Ocfg-

7o7g-

選和os和 eu |,,

decg-

 
 

INTERACTIVE EXAMPLE 2.8

SOLUTION

JPHABnEB 呈_Atomsg, Miolecules, and Ins

  

consider the names ot the s

will no
To see how these Tules apply, 沿 同
lent compounds formed by nitrfgg                   時 as
tematic Name             了
       同              loxi          Nitrous oX1ce
de                  。
imitrogen InonoX1          1
9           ii monoxide         NI
時                         4
NO              Nitrogen
N os          Dinitrogen  TioX1 同
Noo,           Dinitrogen tetIOX1
Noo             Dinitrogen pentoxi
2                              avoid awkward pron

that to
hen the element beglns Wtt

7oO/ dinitrogen tetrdox

ng examples
fthe prefiX

trogen tetroxide,
tt
their common names-

esystematic names to

Notice from the precedi
often drop the final ? % 20
example, N204 1S called dinlt
called carbon monoxide, 7 carbo

Some compounds are always Te
are water, ammonia, and hydrogen pe

H2O2 are never used.

n monoox1l
ferred to by
roxide- Th

                                                                                                                            

Naming Type 山 Binary Compounds

1. Name each of the following compounds:
a. ,PCD

DBGIG

MS 09
2. From the following systematic nameS, Write the formula for ea

a.。 Sulfur hexafluoride

b. Sulfur trioxide
c.。 Carbon dioxide

1 Formula          Name
a. PCl           Phosphorus pentdehloride
Be           Phosphorus trichloride
c. SO2          Sulfur dioxide

2. Name            Formula

a.。 Sulfur hexafluoride   SFe
b.。 Sulfur trioxide      SO
ce. Carbon dioxide       CO

普化

Answer 1

~~

這應該是因為在tetra和panta的a都發ㄚ的音
和oxide的o也發ㄚ音的關係吧
chloride的c又不發ㄚ的音