3 years ago

How many elections do atoms typically “want” in their valence shell? This is timed, please help!

Physics

1 answer:

9966 [12]3 years ago

4 0

Answer:

They typically "want" 2, so the answer is C.

Explanation:

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3 years ago

20% of injury crashes in 2009 involve the reports of distracted driving. True or false

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3 years ago

Be sure to answer all parts. Assume the diameter of a neutral helium atom is 1.40 × 102 pm. Suppose that we could line up helium

ss7ja [257]

Answer:

The number of atoms are $1.86\times10^{8}$ .

Explanation:

Given that,

Diameter $D = 1.40\times10^{2}\ pm$

$D=1.40\times10^{2}\times10^{-12}\ m$

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We calculate the number of atoms

Using formula of numbers of atoms

$Number\ of\ atoms =\dfrac{2.60\times10^{-2}}{1.40\times10^{2}\times10^{-12}}$

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Hence, The number of atoms are $1.86\times10^{8}$ .

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3 years ago