There are two isotopes of element A. Information about the two isotopes is shown in Table 4. Table 4 Mass number of the isotope 6 7 Percentage abundance 92.5 7.5 Use the information in Table 4 to calculate the relative atomic mass of element A. Give your
92.5/100 x 6 = 5.557.5/100 x 7= 0.5255.55 + 0.525 = 6.075= 6.08 (2dp)
NC
Related Chemistry GCSE answers
All answers ▸Write ionic half-equations for the reactions at the electrodes in aluminium extraction.
In what circumstances can an ionic compound conduct electricity? How?
What is the difference between a polar molecule and a non-polar molecule? Can non-polar molecules be formed by polar atoms?
What are the factors that affect the rate of a chemical reaction?