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3 years ago

Among the following options, a valid Lewis structure of __________ cannot be drawn without violating the octet rule.

Chemistry

1 answer:

Murrr4er [49]3 years ago

8 0

Answer:

d. IF3

Explanation:

The Octet rule posits that atoms gain, atom lose, or share electrons in order to have a full valence shell of 8 electrons. This statement occurs when atoms also combine to form molecules until they attain or share eight valence electrons either by losing or gaining eletrons.

From the given options, a valid Lewis structure that cannot be drawn without violating the octet rule is IF3

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Convert 5 micrometers to meters.

k0ka [10]

Answer:

5e-6

Explanation:

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4. What animal resources from other continents benefited South Americans?

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3 years ago

The following forces act on an object: 3N left, 2N up, 1N right, 2N down.

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4 years ago

What is the total E associated with one mole of photons (a unit known as the Einstein) of 3.91x1019 Hz?

sashaice [31]

Answer:

$E=1.56\times 10^{10}J$

Explanation:

The<em> energy of a photon</em>, E, can be calculated with the Planck-Einstein equation:

$E=hf$

Where:

h is Planck's constant 6.626×10⁻³⁴ J.s, and

f is the frequency of the photon or electromagnetic radiation.

Substituting with your data:

$E=6.626\times 10^{-34}J.s\times 3.91\times 10^{19}s^{-1}=2.5908\times 10^{-14}J$

Now multiply by Avogadro's number to obtain the energy of one mole of photons:

$E=2.5908\times 10^{-14}J\times 6.022\times 10^{23}=1.56\times 10^{10}J$

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3 years ago

Which element has a reddish color in a gas and liquid state?

FinnZ [79.3K]

Answer: bromine.

Bromine is described as a red or red - brown or reddish - brown element and you can find some pictures in textbooks or internet that reflect this color, both as a gas and as a liquid.

When mixed with some organic clear solvents it produces a beautifull red mixture.

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