The most negative electron affinity is most likely associated with which type of atoms?

Chemistry

2 answers:

anygoal [31]3 years ago

8 0

The correct answer for above statement is:

D. Small Nonmetal Atoms.

Explanation:

In the same way, when an atom gains electrons, an energy change occurs. Learn that the description of an electron affection is the strength delivered, so that means that the reaction is exothermic. If a reaction is exothermic, the change in charge is negative. This suggests that the electron affinity is positive.

Arada [10]3 years ago

5 0

B.small nonmetal atoms

is the correct answer

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Answer:

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Explanation:

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the chemical compound C2F4 is used to make PTEE (Teflon). How manyC2F4 molecules are in 485 kilograms of this material?

monitta

Answer:

$molecules=2.92x10^{27}moleculesC_2F_4$

Explanation:

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In this case, we use the Avogadro's number to compute the molecules of C2F4 whose molar mass is 100 g/mol contained in a 485-kg sample as shown below:

$molecules=485kgC_2F_4*\frac{1000gC_2F_4}{1kgC_2F_4} *\frac{1molC_2F_4}{100gC_2F_4}*\frac{6.022x10^{23}molecules C_2F_4}{1molC_2F_4} \\\\molecules=2.92x10^{27}moleculesC_2F_4$