Also, when we go from left to right, there are more electrons in their valence shells. This results in high chemical reactivity. Does reactivity increase with atomic radius Radius and Reactivity As atomic number increases, so does an atom’s radius. Note:It is known that as we go down a group, it is easier for electrons to be lost. The reactivity of non metals increases from left to right in a period whereas reactivity decreases in a group as we go down the group because the tendency to accept electrons decreases down the group. As we go from top to bottom in a group, the chemical reactivity increases. When we go from left to right of the periodic table, chemical reactivity decreases. They are present towards the left hand side of the periodic table. When we talk about the metals which are present in the periodic table, they follow a trend. If electrons can leave more easily, then the atom is more likely to react. This makes it easier for the valence electrons to leave the atom and form an ionic bond or to interact with another atom to form a covalent bond. This causes the loss of electrons to be easier. Larger the atom, the farther away the valence electron shell will be. The attraction between the protons and electrons which are present in the nucleus and the shells surrounding the nucleus help to stabilize the atom. As the number of electron shells increases down group 1, the outer electron becomes easier to lose, and the reactivity of the elements increases. Electronegativity of the element is one of the factors which determines how badly an element can take other electrons from other elements.Ĭomplete step-by-step answer:It is known that larger an atom is, the more reactive it will be. ionization energy is a factor which is the measure of how easily an electron can be removed from an element’s stable atom. Hint: The reactivity of the atom of any element can be found by a couple factors and these help us determine if they will and how will they react.
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