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Arlecino [84]
2 years ago
10

Advantage of modern perodic law ​

Chemistry
1 answer:
mario62 [17]2 years ago
6 0

Answer:

it has made the study of chemistry systematic and easy. it acts as an aid to memory

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A

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Because Rainwater can get acidic because of the carbonic acid that it contains

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The coefficient _____ is needed in front of HCl for the equation to be balanced.
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How many protons are there in 20.02 mol of neon (ne)?
hodyreva [135]
In order to determine the number of protons in 20.02 mol of Ne, we use Avogadro's number to convert the number of moles to number of atoms, 1 mol = 6.022 x 10^23 atoms. From there, we must know the number of protons in a Neon atom, which is 10. Thus, the formula will be:

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3 years ago
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Zinc oxide adopts a face-centered cubic arrangement. Both Zinc ions and oxide ions adopt the face-centered cubic arrangement; wi
vichka [17]

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5.41 ×10⁻²²

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∴

The mass of one unit cell of zinc oxide can be calculated as:

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∴ The mass of one unit cell of zinc oxide = 5.41 ×10⁻²²

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3 years ago
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