1 H 1.008 3 4 Li Be 6.94 9.012 5 7 8 9 BCNO F 10.81 6 24 11 2 He 4.003 14 15 16 10 Ne 12.011 14.007 15.999 18.998 20.180 11 12 13 17 18 Na Mg Al Si P S CI Ar 22.990 24.305 19 26.982 28.085 30.974 32.06 35.45 39.948 31 32 33 34 35 36 20 21 22 23 24 25 26 27 28 29 30 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 39.098 40.078 44.956 47.867 50.942 51.996 54.938 55.845 58.933 58.693 63.546 65.38 69.723 72.630 74.922 78.971 79.904 83.798 37 38 40 39 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr Nb Mo Tc 85.468 87.62 88.906 91.224 92.906 95.95 [97] 101.07 102.91 106.42 107.87 112.41 114.82 118.71 121.76 127.60 126.90 131.29 Ru Rh Pd Ag Cd In Sn Sb Te I Xe
1 H 1.008 3 4 Li Be 6.94 9.012 5 7 8 9 BCNO F 10.81 6 24 11 2 He 4.003 14 15 16 10 Ne 12.011 14.007 15.999 18.998 20.180 11 12 13 17 18 Na Mg Al Si P S CI Ar 22.990 24.305 19 26.982 28.085 30.974 32.06 35.45 39.948 31 32 33 34 35 36 20 21 22 23 24 25 26 27 28 29 30 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr 39.098 40.078 44.956 47.867 50.942 51.996 54.938 55.845 58.933 58.693 63.546 65.38 69.723 72.630 74.922 78.971 79.904 83.798 37 38 40 39 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr Nb Mo Tc 85.468 87.62 88.906 91.224 92.906 95.95 [97] 101.07 102.91 106.42 107.87 112.41 114.82 118.71 121.76 127.60 126.90 131.29 Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Chemistry & Chemical Reactivity
9th Edition
ISBN:9781133949640
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
ChapterL: Let's Review
SectionL.3: Mathematics Of Chemistry
Problem 4RC
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Question
*refer to picture*
Element X forms X2O3 and XO2 according to the data given.
Molar mass | % O by mass | |
X2O3 | 152 g/mol | 31.58% |
XO2 | 84 g/mol | 61.90% |
Type the element symbol corresponding to X below.
Answer: ?
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