|
![]() |
#5881 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
1 pm = 1 x 10-12 metre (meter)
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5882 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
100 pm = 1 Ångstrom
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5883 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
1000 pm = 1 nanometre (nm, nanometer)
Neutral radii |
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5884 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
The size of neutral atoms depends upon the way in which the measurement is made and the environment. Follow the appropriate hyperlinks for definitions of each radius type.
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5885 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
The problem is its meaning, which is clearly very different in different sources and books. Two values are given here, one is based upon calculations and the other upon observation - follow the appropriate link for further details.
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5886 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
Ionic radii
This table gives some ionic radii. In this table, geometry refers to the arrangment of the ion's nearest neighbours. Size does depend upon geometry and environment. For electronic configurations, where it matters, the values given for octahedral species are low spin unless stated to be high spin. The terms low spin and high spin refer to the electronic configurations of particular geomtries of certain d-block metal ions. Further information is available in inorganic chemistry textbooks, usually at Level 1 or First Year University level. For definitions of ionic radius and further information, follow the hypertext link. Ion Coordination type Radius / pm Be(II) 4-coordinate, tetrahedral 41 Be(II) 6-coordinate, octahedral 59 Pauling ionic radii This table shows Pauling radii for beryllium Ion Pauling radius / pm Be(I) 44 Be(II) 31 |
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5887 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
This section lists some binary compounds with halogens (known as halides), oxygen (known as oxides), hydrogen (known as hydrides), and some other compounds of beryllium.
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5888 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
For each compound, a formal oxidation number for beryllium is given, but the usefulness of this number is limited for p-block elements in particular.
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5889 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
Based upon that oxidation number, an electronic configuration is also given but note that for more exotic compounds you should view this as a guide only.
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5890 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
The term hydride is used in a generic sense to indicate compounds of the type MxHy and not necessarily to indicate that any compounds listed behave chemically as hydrides. In compounds of beryllium (where known), the most common oxidation numbers of beryllium are: 2.
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5891 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
Hydrides
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5892 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
The term hydride is used to indicate compounds of the type MxHy and not necessarily to indicate that any compounds listed behave as hydrides chemically.
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5893 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
Beryllium dihydride: BeH2
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5894 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
Fluorides
Beryllium difluoride: BeF2 Chlorides |
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() |
#5895 |
legend
Join Date: Oct 2006
Location: Independence, MO
Casino cash: $-3337903
|
Beryllium dichloride: BeCl2
|
Posts: 28,544
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
![]() |
![]() ![]() |
Thread Tools | |
Display Modes | |
|
|