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2 years ago

How many valence electrons are represented in the following electron configuration? 1s²2s²2p63s²3p4 2 4 6

Chemistry

1 answer:

Svetlanka [38]2 years ago

7 0

Answer:

we add only the the same highest enegy levels :3s&3p=2+4=6

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Hey there!:

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3 years ago

Read 2 more answers

It take 38.70cm³ of 1.90m NaoH to neutralize 10.30cm³ of H2so4 in a battery, calculate the molar concentration of H2so4

zlopas [31]

Answer:

$M_{acid}=3.57M$

Explanation:

Hello there!

In this case, since this acid-base neutralization is performed in a 1:2 mole ratio of acid to base as the former is a diprotic acid (two hydrogen ions in the molecule), we can write the following equation:

$2M_{acid}V_{acid}=M_{base}V_{base}$

In such a way, we can solve for the molarity of the acid, given the molarity and concentration of the NaOH base and the volume of the acid:

$M_{acid}=\frac{M_{base}V_{base}}{2V_{acid}}$

Thus, we plug in the given data to obtain:

$M_{acid}=\frac{38.70cm^3*1.90M}{2(10.30cm^3)} \\\\M_{acid}=3.57M$

Best regards!

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3 years ago

How many valence electrons are represented in the following electron configuration? 1s²2s²2p63s²3p4 2 4 6​

How many valence electrons are represented in the following electron configuration? 1s²2s²2p63s²3p4 2 4 6