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Savatey [412]
3 years ago
13

Use the periodic table, find the neutral atom that has the same electron configuration as 1s2 2s2 2p6

Chemistry
1 answer:
TiliK225 [7]3 years ago
4 0

Answer:

Option B= neon

Explanation:

The given electronic configuration is of neon. Neon is noble gas with atomic number 10.  The noble gases configurations are used for abbreviated electronic configuration

For example, the atomic number of neon is ten and sodium is eleven. The abbreviated electronic configuration of sodium is written by using the neon abbreviation in following way:

The electronic configuration of neon is given below:

Ne₁₀ = 1s² 2s² 2p⁶

The abbreviated electronic configuration of sodium:

Na₁₁ = [Ne] 3s¹

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Answer:

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Explanation:

8 0
3 years ago
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A gas has a volume of 25.6 L at a temperature of 278 K. What will be the new temperature, in C, if
BigorU [14]
<h2>Hello!</h2>

The answer is: -97.23° C

<h2>Why?</h2>

Applying the Charles and Gay-Lussac's Law we have that:

\frac{V}{T}=k

Where:

<em>k </em>is the proportionality constant

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<em>t</em> is the temperature of the gas

We also have the following relation:

\frac{V1}{T1}=\frac{V2}{T2}

Since we need to know the new temperature (T2) we can find it using the last equation, so:

\frac{V1}{T1}=\frac{V2}{T2}\\\\T2=\frac{V2*T1}{V1}=\frac{16.2L*278K}{25.6L}=175.92K

We are asked to find the temperature in Celsius degrees, we must convert the result:

Celsius=K-273.15=175.92-273.15=-97.23

Therefore, the temperature is -97.23° C

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6 0
4 years ago
What does percent composition tell you about a substance
dexar [7]

Explanation:

Percentage composition tells you the percentage of each element present in a compound or molecule. This allows you to work out the number of atoms of each element present in the molecule.  Percent composition is important because it allows us to determine the percentage of each element that makes up a specific compound. Percent composition is important because it allows us to determine the percentage of each element that makes up a specific compound.

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4 years ago
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zhenek [66]
The correct answer is 4800 cm^2

Step By Step Answer:
Length times width:
6.0 * 8.0 = 48
Translate m to cm:
4800 cm^2

Help this helps!
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3 years ago
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Levart [38]
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4 0
4 years ago
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