<span>There are three different subatomic particles present in the atoms of each element: neutron, proton and </span>electron<span>. It is the </span>electrons<span>, and more specifically the valence </span>electrons<span>, that determine the reactivity of an element.</span>
F = ma = (kg)(m/s2) = kg ´ m/s2 N
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Explanation:
d. endothermic change as
heat is added to solid ice to change it to liquid water
The answer would be electronegativity
Ionic reaction when a metal and non metal are together a molecule is when a metal abs metal react hope this helps