Elements in group 17 have similar properties because they all the same number of electrons and valence electrons.
Answer:The frozen balloon shrank because the average kinetic energy of the gas molecules in a balloon decreases when the temperature decreases.
Explanation: hope this will help
Answer:
Transition metals can have multiple oxidation states because of their electrons. The transition metals have several electrons with similar energies, so one or all of them can be removed, depending the circumstances. This results in different oxidation states. please mark me as brainellist
It’s c.nickel because it’s a transition metal