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What is the maximum number of electrons in the second principal energy level?

Select one:
a. 2
b. 8
c. 18
d. 32

Sagot :

GinnyAnsweridn
To determine the maximum number of electrons that can occupy a given principal energy level (n), we use the formula:

[tex]\[ \text{Maximum number of electrons} = 2 \times n^2 \][/tex]

Here, we need to find the maximum number of electrons in the second principal energy level, which means [tex]\( n = 2 \)[/tex].

Now, we substitute [tex]\( n = 2 \)[/tex] into the formula:

[tex]\[ \text{Maximum number of electrons} = 2 \times (2^2) \][/tex]

First, calculate [tex]\( 2^2 \)[/tex]:

[tex]\[ 2^2 = 4 \][/tex]

Then, multiply the result by 2:

[tex]\[ 2 \times 4 = 8 \][/tex]

Therefore, the maximum number of electrons in the second principal energy level (n=2) is 8.

So, the correct answer is:

b. 8
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