Give TWO reasons, in terms of shielding, why potassium is the most reactive of the three elements.
(B) Iron, copper, chromium and manganese are a type of elements
known as transition metals.
State the difference between transition metals and alkali metals
in terms of the oxidation state of their ions formed.
Nitric acid is a strong acid that reacts with an alkali to give a salt an
non known as an acid-base reacti