B5

10.81

1

2

3

4

5

6

7

1IA

2IIA

3IIIB

4IVB

5VB

6VIB

7VIIB 8 9 10

11IB

12IIB

VIIIB

13IIIA

14IVA

15VA

16VIA

17VIIA

18VIIIA

H1

1.008

H1

1.008

Li3

6.94

Na11

22.99

Symbol

Atomic NumberAtomic Weight [ (#) = Estimates ]

Be4

9.01

Mg12

24.31

K19

39.10

Ca20

40.08

He2

4.00

C6

12.01

N7

14.01

O8

16.00

The Periodic Table of Elements

F9

19.00

Ne10

20.18

Al13

26.98

Si14

28.09

P15

30.97

S16

32.07

Cl17

35.45

Ar18

39.95

Sc21

44.96

Ti22

47.88

V23

50.94

Cr24

52.00

Mn25

54.94

Fe26

55.85

Co27

58.93

Ni28

58.69

Cu29

63.55

Zn30

65.39

Ga31

69.72

Ge32

72.61

As33

74.92

Se34

78.96

Br35

79.90

Kr36

83.80

Ce58

140.12

Pr59

140.91

Nd60

144.24

Pm61

(145)

Sm62

150.36

Eu63

152.97

Gd64

157.25

Tb65

158.93

Dy66

162.50

Ho67

164.93

Er68

167.26

Tm69

168.93

Yb70

173.04

Lu71

174.97

Th90

232.04

Pa91

231.04

U92

238.03

Np93

237.05

Pu94

(240)

Am95

243.06

Cm96

(247)

Bk97

(248)

Cf98

(251)

Es99

252.08

Fm100

257.10

Md101(257)

No102

259.10

Lr103

262.11

Rb37

85.47

Cs55

132.91

Fr87

223.02

Sr38

87.62

Ba56

137.33

Ra88

226.03

Y39

88.91

Zr40

91.22

Nb41

92.91

Mo42

95.94

Tc43

(97.90)

Ru44

101.07

Rh45

102.91

Pd46

106.42

Ag47

107.87

Cd48

112.41

In49

114.82

Sn50

118.71

Sb51

121.76

Te52

127.60

I53

126.90

Xe54

131.29

La57

138.91

Hf72

178.49

Ac89

227.03

Ta73

180.95

W74

183.85

Re75

186.21

Os76

190.20

Ir77

192.22

Pt78

195.08

Au79

196.97

Hg80

200.59

Tl81

204.38

Pb82

207.20

Bi83

208.98

Po84

(209)

At85

(210)

Rn86

(222)

Rf104(261)

Db105(262)

Sg106(266)

Bh107(264)

Hs108(277)

Mt109(268)

Ds110(271)

Rg111(272)

Cn112(285)

Uut113(284)

Fl114(289)

Uup115(288)

Uus117(294)

Uuo

118(294)

gasliquidsolidunnamed

Lv116(293)

B5

10.81Boron

1

2

3

4

5

6

7

1IA

2IIA

3IIIB

4IVB

5VB

6VIB

7VIIB 8 9 10

11IB

12IIB

VIIIB

13IIIA

14IVA

15VA

16VIA

17VIIA

18VIIIA

H1

1.008Hydrogen

H1

1.008Hydrogen

Li3

6.94Lithium

Na11

22.99Sodium

Symbol

Atomic NumberAtomic Weight [ (#) = Estimates ]Element Name

Be4

9.01Beryllium

Mg12

24.31Magnesium

K19

39.10Potassium

Ca20

40.08Calcium

He2

4.00Helium

C6

12.01Carbon

N7

14.01Nitrogen

O8

16.00Oxygen

The Periodic Table of Elements

F9

19.00Fluorine

Ne10

20.18Neon

Al13

26.98Aluminum

Si14

28.09Silicon

P15

30.97Phosphorus

S16

32.07Sulfur

Cl17

35.45Chlorine

Ar18

39.95Argon

Sc21

44.96Scandium

Ti22

47.88Titanium

V23

50.94Vanadium

Cr24

52.00Chromium

Mn25

54.94Manganese

Fe26

55.85Iron

Co27

58.93Cobalt

Ni28

58.69Nickel

Cu29

63.55Copper

Zn30

65.39Zinc

Ga31

69.72Gallium

Ge32

72.61Germanium

As33

74.92Arsenic

Se34

78.96Selenium

Br35

79.90Bromine

Kr36

83.80Krypton

Ce58

140.12Cerium

Pr59

140.91Praeseodymium

Nd60

144.24Neodymium

Pm61

(145)Promethium

Sm62

150.36Samarium

Eu63

152.97Europium

Gd64

157.25Gadolinium

Tb65

158.93Terbium

Dy66

162.50Dysprosium

Ho67

164.93Holmium

Er68

167.26Erbium

Tm69

168.93Thulium

Yb70

173.04Ytterbium

Lu71

174.97Lutetium

Th90

232.04Thorium

Pa91

231.04Protactinium

U92

238.03Uranium

Np93

237.05Neptunium

Pu94

(240)Plutonium

Am95

243.06Americium

Cm96

(247)Curium

Bk97

(248)Berkelium

Cf98

(251)Californium

Es99

252.08Einsteinium

Fm100

257.10Fermium

Md101(257)

Mendelevium

No102

259.10Nobelium

Lr103

262.11Lawrencium

Rb37

85.47Rubidium

Cs55

132.91Cesium

Fr87

223.02Francium

Sr38

87.62Strontium

Ba56

137.33Barium

Ra88

226.03Radium

Y39

88.91Yttrium

Zr40

91.22Zirconium

Nb41

92.91Niobium

Mo42

95.94Molybdenum

Tc43

(97.90)Technetium

Ru44

101.07Ruthenium

Rh45

102.91Rhodium

Pd46

106.42Palladium

Ag47

107.87Silver

Cd48

112.41Cadmium

In49

114.82Indium

Sn50

118.71Tin

Sb51

121.76Antimony

Te52

127.60Tellurium

I53

126.90Iodine

Xe54

131.29Xenon

La57

138.91Lanthanum

Hf72

178.49Hafnium

Ac89

227.03Actinium

Ta73

180.95Tantalum

W74

183.85Tungsten

Re75

186.21Rhenium

Os76

190.20Osmium

Ir77

192.22Iridium

Pt78

195.08Platinum

Au79

196.97Gold

Hg80

200.59Mercury

Tl81

204.38Thallium

Pb82

207.20Lead

Bi83

208.98Bismuth

Po84

(209)Polonium

At85

(210)Astatine

Rn86

(222)Radon

Rf104(261)

Rutherfordium

Db105(262)Dubnium

Sg106(266)

Seaborgium

Bh107(264)Bohrium

Hs108(277)Hassium

Mt109(268)

Meitnerium

Ds110(271)

Darmstadtium

Rg111(272)

Roentgenium

Cn112(285)

Copernicium

Uut113(284)

Fl114(289)

Flerovium

Uup115(288)

Uus117(294)

Uuo

118(294)

gasliquidsolidunnamed

Lv116(293)

Livermorium