Clase

GROUP 1 IA 1
1.00794

Periodic Table of the Elements
Atomic Number Symbol

18 VIIIA 2
4.002602

H

1

2

1

0.0899 -259.14 (v) 37

Hydrogen

S1/2 2.2

13.5984 -252.87 -

1s1 +1,-1

2 IIA 4
9.012182

3

Name Hydrogen *Density [Note] 0.0899 13.5984 †Ionization Energy (eV) *Melting Point (°C) -259.14 -252.87 *Boiling Point (°C) FCC Crystal Structure [Note] Atomicradius (pm)[Note] (v) 37 † 1s1 Electron Configuration +1,-1 Possible Oxidation States [Note]
1 S0 1.57

H

1.00794 Atomic Weight 2 S1/2 †Ground-State Level 2.2 *Electronegativity (Pauling)

†

He
0.1785 (v) 32

1

S0

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Helium

-

13 IIIA 5
Source: physics.nist.gov

14 IVA
10.811

15 VA
12.0107

16 VIA
14.0067

17 VIIA
15.9994

24.5874-268.93 1s2 0

6.941

Li

2

2

0.535 1.848 5.3917 9.3227 180.54 1342 1287 2470 (m) 152 BCC (m) 112 HCP [He] 2s 1 [He] 2s 2 +1 +2 22.989770 12 24.3050 11

Lithium

S1/2 0.98

Be

Phase at STP

†

Beryllium

Gas

Liquid

Solid Synthetic

Absolute Zero Atomic Mass Unit Avogadro Constant Base of Natural Logarithms Boltzmann constant Electron Mass Electron Radius(Classical) Electron Volt Elementry Charge Faraday Constant fine-structure constant First Radiation Constant

Common Constants

mu e k me mec 2 r0 eV e F α 2 π hc 2

-273.15 °C 1.660539x10-27 kg 6.022142x1023 mol-1 2.718281828 1.380650x10-23 J/K 9.10938215x10-31 kg 0.5110 MeV 2.8179403x10-15 m 1.602176x10-19 J 1.602176x10-19 C 96 485.3399 C/mol 0.0072973525 3.7417749x10-16 W m2

GravitationConstant Molar Gas Constant Molar Volume (Ideal Gas) PI Planck Constant Proton-Electron Mass Ratio Rydberg Constant

G R p h m e/m p R∞ R ∞c R ∞hc ch/k c

Na

2

3

0.968 1.738 5.1391 7.6462 97.72 883 650 1090 (m) 186 BCC (m) 160 HCP 1 [Ne] 3s [Ne] 3s 2 +1 +2 39.0983 20 40.078 19

Sodium

0.93

S1/2

Mg

1

Magnesium

1.31

S0

[42]

Second Radiation Constant Speed ofLight in a Vacuum Speed of sound in air at STP Standard Pressure

6.67428x10 m kg s 8.314472 J mol-1 K -1 0.02241410 m3/mol 3.14159265358979 6.626069x10-34 J s 1836.15267247 10 973 732 m-1 3.289842x1015 Hz 13.6057 eV 0.01438769 m K 299 792 458 m/s 343.2 m/s 101 325 Pa

-11

3

-1 -2

B

6

2

2.46 8.2980 2075 4000 (v) 82 rhom. [He] 2s 2 2p1 +3 26.981538 13

Boron

2.04

P°1/2C

7

3

Al

2.26 11.2603 3550 4027 (v) 77 hex [He] 2s 2 2p2 +2,4,-4 28.0855 14

Carbon

2.55

P0

N

8

4

2

3 IIIB 21
44.955910
2

4 IVB 22
47.867
3 F2 1.54

5 VB 23
50.9415

6 VIB 24
51.9961
7 S3 1.66 4 F3/2 1.63

7 VIIB 25
54.938049
6

8 VIII 26
55.845
5 D4 1.83

9 VIII 27
58.933200
4

10 VIII 28
58.6934
3 F4 1.91

11 IB 29
63.546
212 IIB 30
S1/2 1.90

Period

K

2

4

0.856 1.55 2.985 4.507 6.11 7.14 7.47 7.874 8.9 8.908 8.92 7.14 5.904 4.3407 6.1132 6.5615 6.8281 6.7462 6.7665 7.4340 7.9024 7.8810 7.6398 7.7264 9.3942 5.9993 63.38 759 842 1484 1541 2830 1668 3287 1910 3407 1907 2671 1246 2061 1538 2861 1495 2927 1455 2913 1084.62 2927 419.53 907 29.76 2204 (m) 227 BCC (m) 197 FCC (m) 162 HCP (m) 147 HCP (m) 134BCC (m) 128 BCC (m) 127 §cubic (m) 126 BCC (m) 125 HCP (m) 124 FCC (m) 128 FCC (m) 134 §hex (m) 135 §BCO 1 2 1 2 2 2 3 2 5 1 5 2 6 2 7 2 8 2 10 1 10 2 10 2 1 [Ar] 4s [Ar] 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s [Ar] 3d 4s 4p +1 +2 +3 +2,3,4 +2,3,4,5 +2,3,6 +2,3,4,6,7 +2,3 +2,3 +2,3 +1,2 +2 +3 85.4678 38 87.62 39 88.90585 4091.224 41 92.90638 42 95.94 43 (98) 44 101.07 45 102.90550 46 106.42 47 107.8682 48 112.411 49 114.818 37

Potassium

0.82

S1/2

Ca

1

Calcium

1.00

S0

Sc

Scandium

D3/2 1.36

Ti

Titanium

V

Vanadium

Cr

Chromium

Mn

Manganese

S5/2 1.55

Fe

Iron

Co

Cobalt

F9/2 1.88

Ni

Nickel

Cu

Copper

Zn

2.7 5.9858 {42} 660.32 2519...