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How Big Are Things?
Home     Welcome
 small Real
world
 big     solar system between galaxy
nano
 micro
 meter
 kilo
 Mega
 Giga
 Tera
 Peta
 Exa
  picometer's Room - looking at the entire room
  pm = 10-12 m
look at a sheet of graph paper
 
galaxy21
 20
19
local stars18
 17
16
between15
 14
13
E's orbit12
 11
10
sun9
 8
7
texas6
 5
4
hood3
 2
1
you0
 -1
-2
salt grain-3
 -4
-5
bacteria-6
 -7
-8
atom-9
10-12 m    1 pm
10-11 m    10 pm
10-10 m    100 pm
10-9 m    1000 pm (1 nm)

Van-der-Waals diameters:
H O Cl

metallic diameters
 Li
 Na
 K  Ca  Sc  Ti  V  . . .   Cu
 Rb
 Cs

Effect of ionization:
Metals
atomion
Li
Na
K
Rb
Cs
 Non-Metals
atomion
F
Cl
Br
I

Most sizes are from Tabor's "Gasses, liquids, and solids".

(c) 2000-2003 Mitchell N Charity. All rights reserved.
Noncommercial use is fine. Otherwise, ask.