R 2 3 4 T 5 CM 1 10 11 12 13 14 PERIOD ACTINOIDS LANTHANOIDS 89 Chromatography 66 22 ns 11 12 Na Mg (No date wthout mpioe: Magnesium 662 24.31 61P Ca Sc 21 22 24 Cr Potassium Calclum Scandium Titanium Vanadium Chremium 44.96 47.87 50.94 52.00 eidi ch 39.10 40.08 Name 38 41 42 Zr Nb Mo 7 OV 30-9:20 Rb Sr Rubidium Strontium Zirconium Niobium 95.95 wnuepq 85.47 87.62 88.91 91.22 92.91 hit: 55 72 73 74 Cs Ba 965 Hf Та 57-71 Cesium Barium Hafnium Tantalum Tungsten 132.91 137.33 178.49 180.95 183.84 90 Rf Db Sg 87 88 104 105 1. A representation of a developed paper chr Fr Ra 89-103 Francium Radium Rutherfordium Dubnium Seaborgi ALKALI METALS 4:2 57 58 09 La Ce Се Pr Nd Praseodymium Neodymium 144.24 Lanthanum 138.91 140.12 140.91 91 92 06 Ac Th Pa Actinium Thorium Protactinium Uranium 9.1 232.04 231.04 238.0 Notes: "Caesium" and "aluminium are the i atomic mass) of an element from a specifie atom of 12C (IUPAC). Sources: lUPAC peric 19 A BC Use a ruler to determine the R, values for 0.5 BU.5 L010 0.S HOM 7'h

Q: Select all the compounds that exhibits a proton spectrum with only one signal.

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Mass Spectrometry

This process is an instrumental method in which a sample is changed to fast moving positive ions by electron bombardment. The charged particles vary due to their different mass to charge ratio and are estimated with the help of this difference. It is also called mass spectroscopy.