Question

me <Chemistry Primer Understanding Chemical Symbols 12 of 23 In this form the mass number 35, is a stacked superscript. The atomic number 17, is a stacked subscript'cr is the chemical symbol for the element chlorine A general way to show this formis b. Symbol Sharing ng ols > It is also correct to write symbols by leaving off the atomic numbers in the following form Corber Symbol This is because you write the element symbol, such as Cl, you know the atomic number is 17 from that symbol Remember that the atomic number or number of protons in the nucleus, is what defines the element. Thus i 17 protons are in the nucles the element can only be chlorine Sometimes you will only where the atomic number is not writen Watch this video to review the format for written symbols In the following table each column represents a neutral tom Fit in the gaps in the following table by working this problem out on a separate sheet of paper You will need the periodic table in the drop down menu in the upper and come of the question to look up atomic numbers and masses Symbol CI Protons 26 Noutons 30 64 Electron 48 54 Mass no 132 207 P Pearson Copyright 2020 Pearson Education Inc. All rights reserved. Terms of Use Privac.Po