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Macademic for Students & Teachers
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Macademic for Students and Teachers (Quantum Leap)(1992).iso
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Sciences
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Elements
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card_19843.txt
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1988-07-08
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1KB
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60 lines
-- card: 19843 from stack: in
-- bmap block id: 0
-- flags: 0000
-- background id: 2680
-- name:
-- part contents for background part 8
----- text -----
TANTALUM
-- part contents for background part 9
----- text -----
73
-- part contents for background part 10
----- text -----
Ta
-- part contents for background part 11
----- text -----
180.95
-- part contents for background part 12
----- text -----
2-8-18-32-11-2
-- part contents for background part 20
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16.6
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2996° C
-- part contents for background part 26
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5425° C
-- part contents for background part 27
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+3+4+5
-- part contents for background part 28
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BCC
-- part contents for background part 29
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very hard, heavy, gray metal
-- part contents for background part 30
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making of light bulb filaments, electrolytic capacitors, lightning arresters, nuclear reactor parts, surgical instruments
-- part contents for background part 31
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Tantalum is especially resistant to chemical attack below 150° C.
Discovered in 1802 by Ekeberg.