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4 years ago

10

I am a mental with 28 electrons

1 answer:

musickatia [10]4 years ago

3 0

I am a Nickel.
You're welcome.

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Which describes any substance that shatters or breaks easily?

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Brittle

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3 years ago

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Is photosphere the layer that emits sunlight?

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Answer:

In our Sun, as in other stars, roughly 99.9% or so of all light emitted is emitted in a thin layer known as the photosphere, or light sphere. This is explained as follows. Interior to the photosphere the gas is ever denser and becomes far too opaque for any photon to emerge directly from that layer.

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Answer:

B

Explanation:

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3 years ago

Feldspars producing clay is an example of ___

BaLLatris [955]

Answer: A

Explanation:

Hydrolysis reactions break down not only feldspars but many other silicate minerals as well, amphiboles, pyroxenes, micas, and olivines.

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3 years ago

What volume of sample, in mL, would be needed to make 2 mL of a 5-fold dilution? (3 significant figures needed)

natulia [17]

Answer:

0.400 mL

Explanation:

Hello, the dilution factor (in folds) is given by:

$folds=\frac{total_{volume}}{sample_{volume}}$

Thus, the sample volume with three significant figures is given by:

$sample_{volume}=\frac{2mL}{5"folds"}=0.400 mL$

Best regards.

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3 years ago