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Marina CMI [18]
3 years ago
9

Using the balanced chemical equation:

Chemistry
1 answer:
Arturiano [62]3 years ago
7 0
Your answer and workings are all mentioned in the picture below.

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Which of these elements has an atom with the most stable outer electron configuration? * Cl Ca Ne Na
SashulF [63]

Answer:

Neon (Ne) has the most stable outer electron configuration because the outer electron is completely filled and it has octet structure

Explanation:

The configuration of these elements is as follows;

Cl₁₇ = 2, 8,7 (the outer electron is 7)

Ca₂₀ = 2,8,8,2 (the outer electron is 2)

Ne₁₀ = 2,8 (the outer electron is 8)

Na₁₁ = 2,8,1 (the outer electron is 1)

Based on the outer electron value above, Neon (Ne) has the most stable outer electron configuration because the outer electron is completely filled and it has octet structure.

6 0
3 years ago
Which of the following gases effuses the fastest at a given temperature?
Sholpan [36]

Answer: -

H₂ will diffuse the fastest.

Explanation: -

According to Graham's Law of Diffusion

The rate of diffusion is inversely proportional to the square root of it's density or molar mass. So the lower the molar mass faster the rate of diffusion.

Molar mass of Ne = 20 g / mol

Molar mass of CH₄ = 12 x 1 + 1 x 4 = 16 g /mol

Molar mass of Ar = 40g / mol

Molar mass of H₂ = 1 x 2 = 2 g / mol

Thus H₂ will diffuse the fastest.

7 0
3 years ago
Different substances have....
Sergio039 [100]

Answer:

Different properties

Explanation:

They are different.

8 0
3 years ago
Is nitrogen an elementary substance or a compound
Charra [1.4K]

Answer:

Nitrogen (N2) are not compounds because each is composed of a single element.

7 0
4 years ago
Solubility is the-
san4es73 [151]

Solubility is the ability of a solid, liquid, or gaseous chemical to dissolve in solvent (usually a liquid) and form a solution.

So therefore your answer is 1.
7 0
3 years ago
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