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Published on Nov 25, 2015
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PRESENTATION OUTLINE
1.
ASPIRIN
ALL ABOUT ELEMENTS BY: JIWON SEO
2.
(AS) ARSENIC 33
Atomic mass- 74.92
usage- poisons, semiconductors, light-emitting diodes (LEDs) (GaAs), signal lights,
5 valence electrons 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p3
Group in periodic table: 15, Group name: Pnictogen, Period in periodic table: 4
3.
(AS) CONTINUED
4.
(P) PHOSPHORUS 15
Atomic mass- 30.973
Usage- bones, DNA, fertilizer, acids, detergents, matches
5 valence electrons 1s2 2s2 2p6 3s2 3p3
Classification- non-metal Group in periodic table: 15
Group name: Pnictogen Period in periodic table: 3
5.
(P) CONTINUED
6.
(IR) IRIDIUM 77
Atomic mass: 192.217
usage- labware, spark plugs, pen tips, needles
2 valence electrons 1s2 2s2p6 3s2p6d10 4s2p6d10f14 5s2p6d7 6s2
Classification: transition metal Group in periodic table: 9
Group name: Precious metal Period in periodic table: 6
7.
(IR) CONTINUED
8.
(I) IODINE 53
Atomic mass: 126.904
usage- disinfectant for wounds and drinking water, photo film
7 valence electrons 1s2 2s2p6 3s2p6d10 4s2p6d10 5s2p5
Classification: halogen Group: 17 Period: 5
9.
(I) CONTINUED
10.
(N) NITROGEN 7
Atomic mass: 14.006
usage- 78% of air, organic molecules, protein, muscles, amonia, explosives
5 valence electrons 1s22s22p3
Group in periodic table: 15 Group name: Pnictogen
Period in periodic table: 2 Classification: non metal
11.
(N) CONTINUED
Jiwon Seo
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