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omeli [17]
3 years ago
11

How many electron shells/orbitals will be around the nucleus of an atom of aluminum?

Chemistry
2 answers:
AnnyKZ [126]3 years ago
7 0
C.
There is 13 electrons in a aluminum atom. Looking at the picture, you can see there are two electrons in shell one, eight in shell two, and three in shell three.
Romashka-Z-Leto [24]3 years ago
6 0
C would be the correct answer I believe
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Find the number of moles in 6120 ions of NaCl . Round your answer to two decimal places. Input your answer as 1.03E23, which is
FrozenT [24]

Answer:

Explanation:

NaCl = Na⁺ + Cl⁻

6120 ions of NaCl will contain 3060 ions of Na⁺ and 3060 ions of Cl⁻ , forming 3060 molecules of NaCl .

6.02 x 10²³ molecules of NaCl = 1 mole

3060 molecules of NaCl = 3060 x 10⁻²³ / 6.02 moles

= 508.30 x 10⁻²³ moles

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Answer : 5.08E-21 moles  .

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Explanation:

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alexandr1967 [171]

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4 0
4 years ago
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<u>Answer :</u>

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