(a)[5]
Describe the properties of metals. In your response, mention the physical properties that are typical of metals, mention the chemical properties that are typical of metals, and add a word equation showing a chemical reaction of a metal.
(b)[2]
Use this evidence to arrange the metals by reactivity. Place the least reactive metal first.
(c(i))[1]
What does the term isotopes mean?
(c(ii))[1]
State the main use of the isotope $^{235}\text{U}$.