tan² 2x – 3 = 0,0° < x < 360°
Tentukan himpunan penyelesaian dari persamaan trigonometri berikut
Jawaban:
15 silikon ← pospor → walirang
N
↑
P
↓
As
P-TableImage.svg
Tabel Periodik – Tabel Periodik Lengkep
Umum
Ngaran, Lambang, Nomer pospor, P, 15
Dérét kimia nonlogam
Golongan, Periode, Blok 15, 3, p
Kelir {{{kelir}}}
Beurat atom baku {{{massa atom}}} g·mol−1
Konfigurasi éléktron {{{konfigurasi elektron}}}
Éléktron per cangkang {{{elektron per cangkang}}}
Dénsitas (sabudeureun r.h.) (white) 1.823 g·cm−3
Dénsitas (sabudeureun r.h.) (red) 2.34 g·cm−3
Dénsitas (sabudeureun r.h.) (black) 2.69 g·cm−3
Titik lééh (white) 317.3 K
(44.2 °C, 111.6 °F)
Titik golak 550 K
(277 °C, 531 °F)
Heat of fusion (white) 0.66 kJ·mol−1
Heat of vaporization 12.4 kJ·mol−1
Heat capacity (25 °C) (white)
23.824 J·mol−1·K−1
Vapor pressure (white)
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 279 307 342 388 453 549
Vapor pressure (red)
P/Pa 1 10 100 1 k 10 k 100 k
at T/K 455 489 529 576 635 704
Oxidation states ±3, 5, 4
(mildly acidic oxide)
Electronegativity 2.19 (Pauling scale)
Ionization energies
(more) 1st: 1011.8 kJ·mol−1
2nd: 1907 kJ·mol−1
3rd: 2914.1 kJ·mol−1
Atomic radius 100 pm
Atomic radius (calc.) 98 pm
Covalent radius 106 pm
Van der Waals radius 180 pm
Magnetic ordering no data
Thermal conductivity hhhahahahha