Exam Resources ❮ 399Periodic Table of the Elements
May be used with all questions.(^117) Ts[294]
(^118) Og[294]
(^113) Nh[284.18]
114 FI[289.19]
(^115) Mc[288.19]
(^116) Lv[293]
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11
12
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14
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16
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Key:
Atomic numberSymbol
Atomic weight (mean r
elative mass)
57–70
- 89
 –102*
 1 1 H1.008^3 Li6.94 (^11) Na
 22.98976928(2)
 19 K
 39.0983(1)
 (^37) Rb
 85.4678(3)
 (^55) Cs
 132.9054519(2)
 (^87) Fr[223.02]
 (^24) Be
 9.012182(3)
 (^12) Mg
 24.3050(6)
 (^20) Ca40.078(4) (^38) Sr87.62(1) (^56) Ba
 137.327(7)
 (^88) Ra[226.03]
 (^9) F
 18.9984032(5)
 (^17) Cl35.45 (^35) Br79.904(1) 53 I
 126.90447(3)
 (^85) At[210]
 182 He4.002602(2)^10 Ne20.1797(6)^18 Ar39.948(1)^36 Kr83.798(2)^54 Xe131.293(6)^86 Rn[222]
 lanthanoids**actinoids
 (^21) Sc
 44.955912(6)
 39 Y
 88.90585(2)
 (^71) Lu
 174.9668(1)^103 Lr[262.11]
 (^57) La
 138.90547(7)
 (^89) Ac[227.03]
 (^22) Ti47.867(1) (^40) Zr91.224(2) (^72) Hf178.49(2) 104 Rf[265.12] (^58) Ce
 140.116(1)
 (^90) Th
 232.03806(2)
 23 V
 50.9415(1)
 (^41) Nb
 92.90638(2)
 (^73) Ta
 180.94788(2)
 (^105) Db[268.13]^59 Pr
 140.90765(2)
 (^91) Pa
 231.03588(2)
 (^24) Cr
 51.9961(6)
 (^42) Mo95.96(2) (^74) W183.84(1) (^106) Sg[271.13] (^60) Nd
 144.242(3)
 92 U
 238.02891(3)
 (^25) Mn
 54.938045(5)
 (^43) Tc[97.91] (^75) Re
 186.207(1)^107 Bh[270]
 (^61) Pm[144.91] (^93) Np[237.05]
 (^26) Fe55.845(2) (^44) Ru101.07(2) (^76) Os190.23(3) (^108) Hs[277.15] (^62) Sm150.36(2) (^94) Pu[244.06]
 (^27) Co
 58.933195(5)
 (^45) Rh
 102.90550(2)
 77 Ir
 192.217(3)^109 Mt[276.15]
 (^63) Eu
 151.964(1)
 (^95) Am[243.06]
 (^28) Ni
 58.6934(4)
 (^46) Pd106.42(1) (^78) Pt
 195.084(9)^110 Ds[281.16]
 (^64) Gd157.25(3) (^96) Cm[247.07]
 (^29) Cu63.546(3) (^47) Ag
 107.8682(2)
 (^79) Au
 196.966569(4)
 (^111) Rg[280.16]^65 Tb
 158.92535(2)
 (^97) Bk[247.07]
 (^30) Zn65.38(2) (^48) Cd
 112.411(8)
 (^80) Hg200.59(2) (^112) Cn[285.17] (^66) Dy
 162.500(1)
 (^98) Cf[251.08]
 (^5) B10.81 (^13) Al
 26.9815386(2)
 (^31) Ga69.723(1) (^49) In
 114.818(3)
 (^81) Tl204.38 (^67) Ho
 164.93032(2)
 (^99) Es[252.08]
 (^6) C12.011 (^14) Si28.085 (^32) Ge72.63(1) (^50) Sn
 118.710(7)
 (^82) Pb207.2(1) (^68) Er
 167.259(3)^100 Fm[257.10]
 (^7) N14.007 15 P
 30.973762(2)
 (^33) As
 74.92160(2)
 (^51) Sb
 121.760(1)
 (^83) Bi
 208.98040(1)
 (^69) Tm
 168.93421(2)
 (^101) Md[258.10]
 (^8) O15.999 16 S32.06 (^34) Se78.96(3) (^52) Te
 127.60(3)^84 Po[209]^70 Yb173.054(5)^102 No[259.10]
 The periodic table
 22-Moore_APP_p371-412.indd 399 31/05/18 2:00 pm
