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What happens to the reactivity in a group of metals when we go from
top bottom? why?​

Sagot :

13500idn

Answer:

Metals react by donating the electrons in their outermost shells to form +ve ions. Group 1, 2, and 3 metals donate1, 2, and 3 electrons respectively to form +1, +2, and +3 ions. The electrons in the outermost shells are kept at bay due to the attraction from the +vely charged nucleus. And energy is required to expel the outermost elrctrons.

Explanation:

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