memorise periodic table mass numbers whole number hydrogen to californium

same as other one but to nearest whole number

Hydrogen/H

1

Helium/He

4

Lithium/Li

7

Beryllium/Be

9

Boron/B

11

Carbon/C

12

Nitrogen/N

14

Oxygen/O

16

Fluorine/F

19

Neon/Ne

20

Sodium/Na

23

Magnesium/Mg

24

Aluminium/Al

27

Silicon/Si

28

Phosphorus/P

31

Sulphur/S

32

Chlorine/Cl

35

Argon/Ar

40 (Ar)

Potassium/K

39

Calcium/Ca

40 (Ca)

Scandium/Sc

45

Titanium/Ti

48

Vanadium/V

51

Chromium/Cr

52

Manganese/Mn

55

Iron

56

Cobalt/Co

59 (Co)

Nickel/Ni

59 (Ni)

Copper/Cu

64 (Cu)

Zinc/Zn

65 (Zn)

Gallium/Ga

70

Germanium/Ge

73

Arsenic/As

75

Selenium/Se

79

Bromine/Br

80

Krypton/Kr

84

Rubidium/Rb

85

Strontium/Sr

88

Yttrium/Y

89

Zirconium/Zr

91

Niobium/Nb

93

Molybdenum/Mo

96

Technetium/Tc

97

Ruthenium/Ru

101

Rhodium/Rh

103

Palladium/Pd

106

Silver/Ag

108

Cadmium/Cd

112

Indium/In

115

Tin/Sn

119

Antimony/Sb

122

Tellurium/Te

128

Iodine/I

127

Xenon/Xe

131

Cesium/Cs

133

Barium/Ba

137

Lanthanum/La

139

Cerium/Ce

140

Praseodymium/Pr

141

Neodynium/Nd

144

Promethium/Pm

145

Samarium/Sm

150

Europium/Eu

152

Gadolinium/Gd

157

Terbium/Tb

159

Dysprosium/Dy

163

Holmium/Ho

165

Erbium/Er

167

Thulium/Tm

169

Ytterbium/Yb

173

Lutetium/Lu

175

Hafnium/Hf

178

Tantalum/Ta

181

Tungsten/W

184

Rhenium/Re

186

Osmium/Os

190

Iridium/Ir

192

Platinum/Pt

195

Gold/Au

197

Mercury/Hg

201

Thallium/Tl

204

Lead/Pb

207

Bismuth/Bi

209 (Bi)

Polonium/Po

209 (Po)

Astatine/At

210

Radon/Rn

222

Francium/Fr

223

Radium/Ra

226

Actinium/Ac

227

Thorium/Th

232

Protactinium/Pa

231

Uranium/U

238

Neptunium/Np

237

Plutonium/Pu

244

Americium/Am

243

Curium/Cm

247 (Cm)

Berkelium/Bk

247 (Bk)

Californium/Cf

251