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Crazy boy [7]
3 years ago
11

PLEASE HELP I REALLY NEED THIS IM LATE

Chemistry
1 answer:
ANTONII [103]3 years ago
4 0

Answer:

Pitch:it refers to the highest and lowness of a sound.

Wavelength: It is the distance measured from one crest to another, or from one trough to another.

Refraction of Light: The light bends as it travels from one medium to another.

Reflection of Light: It happens when light bounces back after hitting a well-polished surface.

Crest: The highest point of the wave from the center.

<u>I hope this helps! :)</u>

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VMariaS [17]

Answer:

a) Representation - (in attachment)

b) Tetrahedral geometry and

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Explanation:

a)

Representation in attachment.

The overall charge in the both structures are -2. The structure (b) is favored by the resonance structures since the formal charge with in the species are remained.

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b)

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c)

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Explanation:

SADMEP

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