Chemistry revsion 4.0 / 5 based on 2 ratings ? ChemistryGCSEAQA Created by: FrannieCreated on: 22-10-12 10:28 Whats the top number of an element in the periodic table called ? relative atomic mass 1 of 10 What does the relative atomic mass tell us? the number of protons and neutrons added together 2 of 10 Whats the bottom number of an element in the periodic table tell us? atomic number 3 of 10 What does the atomic number tell us? the number of protons which is equal to the number of electrons 4 of 10 How do you find out the number of neutrons in an element? take the atomic number away from the relative atomic mass 5 of 10 What is the charge of a proton? +1 6 of 10 Whatis the charge of a neutron? 0 7 of 10 What is the charge of an electron? -1 8 of 10 What is the relative formula of a compound? The relative formula of a compound is the relative atomic masses of all the elements in the compound added together. 9 of 10 What would be the relative formula of NaOH? 40 because 23+16+1=40 10 of 10
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