Question

Activity 3.1 Covalent radii (in Å) for some elements of different groups and periods are listed below. Plot these values against atomic number. From the plot, explain the variation along a period and a group 2nd group elements : Be (0.89), Mg (1.36), Ca (1.74), Sr (1.91) Ba(1.98) 17th group elements : F (0.72), CI (0.99), Br (1.14), I (1.33) 3rd Period elements : Na(1.57), Mg(1.36), Al (1.25), Si(1.17), P(1.10), S(1.04), CI(0.99) 4th period elements: Ca(1.74), Sc(1.44), V(1.22), Cr(1.17), Fe(1.17), Co(1.16), Cu(1.17), Zn(1.25), Ge(1.22), As(1.21), Br(1.14) K(2.03), Ti(1.32), Mn(1.17), Ni(1.15), Ga(1.25), Se(1.14),​

Answer 1

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