Chemistry, 30.06.2020 18:01 thutch1950oww9q0

For each of the following pairs of elements (1C and N2) (1Ar and Br2)
pick the atom with
a. more favorable (exothermic) electron affinity.
b. higher ionization energy.
c. larger size.
How do you even go about do this?

Answers: 2

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Answer from: mckenziew6969

1. a. C; b. N; c. C; 2. a. Br; b. Ar; c. Br

Explanation:

Use your Periodic Table and follow the trends in atomic properties (Fig. 1).

Electron affinity increases from left to right and from bottom to top.

The elements with the most exothermic EA are at the upper right corner

Exceptions are the noble gases (group 18) and the pnictogens (group 18).

The elements of Group 18 have a complete octet and have no tendency to accept electrons.

The elements of Group 15 have half-filled p subshells. They are more stable than the elements immediately preceding them, so they are less exothermic when adding an electron.

Ionization energy increases from left to right and from bottom to top.

The atoms with the highest IE are at the upper right corner.

Atomic size increases from right to left and from bottom to top.

The largest atoms are on the lower-left corner.

1. C vs N

(a) EA: C. N is a Group 15 element

(b) IE: N. N is further to the right.

2. Ar vs Br

(a) EA: Br. Ar is a noble gas.

(b) IE: Ar. Ar is further to the right.

For each of the following pairs of elements

(1C and N2) (1Ar and Br2)
pick the atom with
a. more

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Answer from: Quest

Mass is the amount of matter in an object. weight is the measurement of the pull of gravity on an object. say for example, you travel to the moon which has a different gravitational field compared to the gravitational field of earth. (gravitational fields: earth = 1, moon = 0.165) now when you are on the moon, the pull of gravity on you is different than on the earth. and as weight is the measurement of the pull of gravity on an object, that means yes, your weight can and will change on the moon. however, on the moon, on earth or even on jupiter, the amount of mass inside of you remains the same. meaning your physical mass remains constant. in conclusion it is possible for your weight to change as your mass remains constant.

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For each of the following pairs of elements (1C and N2) (1Ar and Br2)
pick the atom with

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