12.Which of the following elements has the highest ionization energy and why? a. Argon because it has more protons in the nucleus.
b. Argon because it has a full valence shell.
c. Chlorine because it only needs one valence electron to fill its valence shell.
d. Chlorine because it attracts electrons better.

when the volume of gas is   changed from   717.73 ml   to 852 ml   the temperature will   change   from 315   c to 452   c

    calculation

this is calculated using the charles law formula

that is,   v1/t1 = v2/t2

          v1=?

        t1 = 315 c   into   kelvin = 315 +273 = 588 k

        v2 = 852   ml

        t2 = 425c + 273 =698 k

make v1   the subject of the formula ( by   multiplying both side by t1)

  v1=( v2 xt1) / t2

v1= (852 ml   x 588 k)/ 698 k= 717.73 ml

2b2t

explanation:

2b2t

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