Question

COnsider the following elements; Li Al Mg I S N

a) Most Metallic?

b) Least Metallic?

C) Lowest Electronegativity?

d) Highest ionization energy?

e) Largest atomic radius?

f) Which are non-metals?

g) Which are conductors?

h) Highest electron affinity?

I) List them in order from small atomic to large size.

J) Would gain two electrons to form ion?

K) Would iodide ion considered to be cations or anions?

L) Would lithium ion be larger or smaller than lithium atom?

M) What charge would the magnesium ion have?

O) when iodine becomes an ion, is the ion larger or smaller than the atom?

p) When Al becomes an ion, is the ion larger pr smaller than the atom?

q) what is the special name given to the group which Mg belong?

r) Which are metalloids?

s) Which has highest electron affinity?

Answer 1

Consider the following elements;

₃Li, ₁₂Mg, ₁₃Al, ₁₅N, ₁₆S, ₅₃I

Answer:

a) Most Metallic? Mg

Metallic character in group (top to bottom) increases and in period (from left to right) decreases.

b) Least Metallic? I

C) Lowest Electronegativity? Li

d) Highest ionization energy? N

e) Largest atomic radius? ₃Li,

f) Which are non-metals? ₁₅N, ₁₆S, ₅₃I

g) Which are conductors? ₃Li, ₁₂Mg, ₁₃Al

h) Highest electron affinity? ₅₃I

I) List them in order from small atomic to large size. ₁₅N, ₁₆S, ₅₃I,  ₁₃Al,  ₁₂Mg , ₃Li,

J) Would gain two electrons to form ion? S^2-

K) Would iodide ion considered to be cations or anions? ANION, I^-

L) Would lithium ion be larger or smaller than lithium atom? Li⁺ smaller than Li

M) What charge would the magnesium ion have? 2+

O) when iodine becomes an ion, is the ion larger or smaller than the atom? I^- larger than I

p) When Al becomes an ion, is the ion larger pr smaller than the atom? Al³⁺ smaller than Al

q) what is the special name given to the group which Mg belong? Alkaline earth metal

r) Which are metalloids? None

s) Which has highest electron affinity? ₅₃I