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 ▸What is the test for CO2 gas? Describe the overall reaction that takes place in the instance of a positive result and write its reaction equation.
Explain why graphite is able to conduct electrcity and diamond is not
State the effect that increasing the temperature has on the rate of the reaction. Explain this effect in terms of particles and collisions.
Explain why chloride and bromide are in the same group in the period table. Also describe the electronic structures of both.