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morpeh [17]
3 years ago
7

What is the name of the element that has electrons arranged 2,8,2 ​

Chemistry
2 answers:
poizon [28]3 years ago
7 0

Answer:

The metal element → Magnesium (Mg)

Alexus [3.1K]3 years ago
6 0

Answer:

magnesium

Explanation:

magnesium has electrons arranged 2,8,2

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Please comment if you are sure about your answer . Thank you
ryzh [129]
2,3,7,10,13 i did this yesterday can u mark me brainliest

3 0
4 years ago
A gas initial volume and pressure is 5m^3 and 101320 Pa and allows to expand up to 12m^3 then what is the final pressure?
Anton [14]

Answer:

New pressure = 42216.66 Pa

Explanation:

Given that,

Initial volume, V₁ = 5 m³

Final pressure, P₁ = 101320 Pa

Final volume, V₂ = 12 m³

We need to find the final pressure of the gas. We know that the relation between pressure and volume is given by :

P\propto \dfrac{1}{V}\\\\P_1V_1=P_2V_2\\\\P_2=\dfrac{P_1V_1}{V_2}\\\\P_2=\dfrac{101320 \times 5}{12}\\\\P_2=42216.67\ Pa

So, the new pressure is equal to 42216.66 Pa.

6 0
3 years ago
I would really appreciate help with this
Annette [7]

homogeneous: a substance maintaining a uniform appearance throughout.

miscible: the ability of two liquids to be mixed together.

immiscible: two liquids that will not mix with one another.

heterogeneous: a mixture consisting of visibly different substances or phases.

I hope you find this helpful.

8 0
3 years ago
What question could you ask about the components of two atoms to find out if the atoms are of the same elements or of different
Temka [501]
The number of protons and the electron configuration of each
5 0
4 years ago
Why are significant figures rules for calculations more important in science than in math class?
inysia [295]

Answer:

The importance of significant figures

As stated before, it is important within the science fields that you are not more precise or accurate than the least accurate or precise number. In science, it is generally agreed upon that the last number digit in any figure is filled with uncertainty.

Explanation:

4 0
3 years ago
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