The electronic configuration of some elements are given as A. [Ne]3s23p3 B. [Ne]3s 3p* C. (Ne]3s 3p D. [Ne]3s²3p%3d545
a) Which element will be most metallic?
b) Which element will have highestnegative electron gain enthalpy?
c) Which element belongs to group VII?
d) Out of A, B and C, which will have least ionization enthalpy?

a: 45.9 meters

b: 4.29 seconds

step-by-step explanation:

a: h(t)=1/2(-9.8)(3)^2+0(3)+90

h(t)=-4.9(3)^2+90

h(t)=-44.1+90

h(t)=45.9 meters

b: 0=1/2(-9.8)(t^2)+0t+90

0=-4.9t^2+90

-90=-4.9t^2

18.37=t^2

t=4.29 seconds

in the second question, the numbers aren't exact, but they're a close approximation.

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