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4 years ago

8

As we move from left to right across the periodic table, what is the general trend? A) Atomic radii increase. B) Electronegaviti

y decreases. C) Nuclear shielding increases. D) Metallic character decreases.

2 answers:

inysia [295]4 years ago

5 0

Answer:

So it was D?

Thanks

Explanation:

elena55 [62]4 years ago

4 0

B. Electronegavitiy decreases

Electron affinity decreases as we proceed down a group.

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3 years ago

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3 years ago

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Savatey [412]

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Solution

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3 years ago

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iogann1982 [59]

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<h3>Further explanation</h3>

When converting units, list and multiply all the units until you find the unit you want

Time unit conversion

1 year = 365 days

1 day = 24 hours

1 hour = 3600 s

7.69 x 10⁹ seconds to years :

$\tt =7.69\times 10^9~s\times \dfrac{1`hour}{3600~s}\times \dfrac{1~day}{24~hours}\times \dfrac{1~years}{365~days}\\\\=\dfrac{7.69\times 10^9}{3600\times 24\times 365}\\\\=\boxed{\bold{243.85~years}}$

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3 years ago