two elements with symbol x atomic Number 11 and y atomic number 13 are placed in a period 3 of periodic table A) calculate the valency of an B)element Y smaller than X in terms of atomic size give reason
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A⟩ valency of X is 1 & of y is 2
B⟩ it is due to the increase in the no. of protons in the atom and which leads to increase in the attractive charge of nucleus
B⟩ it is due to the increase in the no. of protons in the atom and which leads to increase in the attractive charge of nucleus
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