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Nataliya [291]
3 years ago
15

Use the periodic table to write the electron configuration of selenium (Se). s s p d 1 2 3 4 6 10

Chemistry
2 answers:
Vladimir [108]3 years ago
5 0

Answer:

[Ar] 3d10 4s2 4p4

Explanation:

maw [93]3 years ago
4 0

Answer: 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^4

Explanation:

I suggest looking at the electron configuration chart, it has really helped me a lot :)

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If a certain gas occupies a volume of 10. L when the applied pressure is 5.0 atm , find the pressure when the gas occupies a vol
lorasvet [3.4K]

Answer:

20L is the new volume

Explanation:

In this case, moles and T° from the gas remain constant. This is the formula we must apply, to solve this:

P₁ . V₁ = P₂ . V₂

5 atm . 10 L = P₂ . 2.5L

P₂ = (5 atm . 10 L) / 2.5L →20L

5 0
4 years ago
Help cococococo cococococo doing this for the points or whatever it is cococo
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Answer:

what is cocococococo?

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isnt it like a plant for choclate?

5 0
3 years ago
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If you weighed the atoms that appear on the reactant side of the equation, would they have the same mass as the atoms that appea
tatuchka [14]

Answer:

No

Explanation:

If you added the reactants on the reactant side because there is one atom for nitrogen on the product side while there is two atoms on the product side. There are more hydrogen products on the reactant side as well.

3 0
3 years ago
Carbon-14 naturally decay to carbon-_____.<br><br> 13<br> 12<br> 10<br> 15
lorasvet [3.4K]

Answer:

13 would be correct

Explanation:

4 0
3 years ago
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What is its molecular formula?​
uysha [10]

Answer:

C₆H₈O₆

Explanation:

The molecular formula of given compound is C₆H₈O₆. Because there are six carbon, six oxygen and eight hydrogen atom present in this compound.

The molecular weight of following compound is,

C₆H₈O₆

C = 12 amu

H = 1 amu

O = 16 amu

C₆H₈O₆ = 12×6 + 1×8 + 16×6

C₆H₈O₆ = 72 +8 + 96

C₆H₈O₆ = 176 g/mol

7 0
3 years ago
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