Define an isotope.
Compounds with the same molecular formula but have different structural formulas.
SS
Related Chemistry GCSE answers
All answers ▸Bromine has an atomic number of 35 but has two stable isotopes- bromine-79 and bromine-81. Given that 51% of bromine atoms are bromine-79 and 49% are bromine-81%, work out the relative atomic mass of bromine to the nearest whole number.
Does reactivity increase or decrease as you go down group 7?
Describe what happens to sodium and chlorine in a reaction to make Sodium cholride, you may use diagrams to help you.
Describe the structure and bonding in diamond.