MDS549

Wording: Natural sciences & mathematicsChemistryMineralogy

Dewmoji: πŸ”¬βš—οΈβš’

0
Computer science, information & general works
252,013
ℹ️
1
Philosophy & psychology
270,129
🧠
2
Religion
681,242
πŸ™
3
Society, government, & culture
1,328,382
πŸ‘«
4
Language
209,883
πŸ’¬
5
Natural sciences & mathematics
431,918
πŸ”¬
6
Applied science & technology
940,635
πŸ’‘
7
Arts & recreation
1,031,850
🎨
8
Literature & rhetoric
1,436,736
πŸ“š
9
History & geography
837,760
πŸ—ΊοΈ
50
Science
35,266
🥼
51
Mathematics
82,055
βž—
52
Astronomy
25,356
πŸ”­
53
Physics
44,008
🍎
54
Chemistry
28,260
βš—οΈ
55
Earth sciences; geology
36,663
🌎
56
Fossils & Dinosaurs
11,038
πŸ’€
57
Biology
55,751
🧬
58
Plants (Botany)
26,824
🌿
59
Animals
86,697
🐼
540
Chemistry and allied sciences
6,727
βš—
541
Chemical Reactions
5,775
πŸ’­
542
Techniques, procedures, apparatus, equipment, materials
560
πŸ”¬
543
Analytical chemistry
2,912
🌈
544
[Formerly: Qualitative Analysis]
336
545
[Formerly: Quantitative Analysis]
275
546
Elements, Mixtures, Compounds
2,694
⚨
547
Organic chemistry
6,228
⌬
548
Crystallography
1,088
πŸ’Ž
549
Mineralogy
1,665
βš’
549.0
156
549.1
Determinative; Blowpiping
157
549.2
Native elements
25
549.3
Sulfids, tellurids, selenids, arsenids, antimonids, bismuthids
12
549.4
Compounds of chlorin, bromin, iodin, and fluorin
6
549.5
Oxygen compounds
26
549.6
Silicates
159
πŸ–
549.7
Other ternary oxygen compounds
34
549.8
Hydrocarbons
549.9
Geographic distribution
203
🌐

Selected Works under MDS 549 (1,665)

Related Tags

"Far Friends"

MDS classes with significant recommendations overlap, excluding ones under the same top-level class.

None

Wording

1922 Edition
Do NOT copy from the copyrighted sources. 1922 edition here, in absurd phonetic English. Use standard spelling.
Modern Language
Modern wording should be based on the Free Decimal System, on the 1922 edition of Dewey, or on the items cataloged under that MDS number. Do not take your wording from an in-copyright source.
Emoji
A single emoji for this DDC Class. The full emoji will be composed of the emojis from the top level to this one.