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Igoryamba
2 years ago
9

5 x 7/20 and i really need help

Mathematics
2 answers:
erik [133]2 years ago
7 0

Step-by-step explanation:

5  \times  \frac{7}{20}  \\  = \frac{35}{20}  \\  =  \frac{7}{4}

answerr......

Rama09 [41]2 years ago
6 0

Answer:

THE ANSWER IS 7/4

Step-by-step explanation:

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Which of the following explains why the given radical is not in simpliest form ^3√162
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This is a cube root, so we look for factors of 162 which are perfect cubes.

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162 = 2 * 3 * 3 * 3* 3


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A second important result is that electrons will fill the lowest energy states available. This would seem to indicate that every
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  • 8

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1)<u> Principal quantum number, n = 2</u>

  • n is the principal quantum number and indicates the main energy level.

<u>2) Second quantum number, ℓ</u>

  • The second quantum number, ℓ,  is named, Azimuthal quantum number.

The possible values of ℓ are from 0 to n - 1.

Hence, since n = 2, there are two possible values for ℓ: 0, and 1.

This gives you two shapes for the orbitals: 0 corresponds to "s" orbitals, and 1 corresponds to "p" orbitals.

<u>3) Third quantum number, mℓ</u>

  •    The third quantum number, mℓ, is named magnetic quantum number.

The possible values for mℓ are from - ℓ to + ℓ.

Hence, the poosible values for mℓ when n = 2 are:

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<u>4) Fourth quantum number, ms.</u>

  • This is the spin number and it can be either +1/2  or -1/2.

Therfore the full set of possible states (different quantum number for a given atom) for n = 2 is:

  • (2, 0, 0 +1/2)
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  • (2, 1, 1, -1/2)

That is a total of <u>8 different possible states</u>, which is the answer for the question.

8 0
3 years ago
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