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Reika [66]
3 years ago
8

A group of electrons revolving around a nucleus forms an electron ____

Chemistry
1 answer:
Elanso [62]3 years ago
4 0

Answer:

Electron shell

Explanation:

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My greatest influence on career pathing right now is___________
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My greatest influence on career pathing right now is minecraft hardcore.Track and strand choice.

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3 years ago
Which statement correctly compares an atom of an alkali metal with an atom of the alkaline earth metal next to it on the periodi
Vladimir79 [104]

The atom of alkaline earth metal has one more proton and one more electron than the alkali metal that is next to it to the left on the periodic table. Then the atomic number of the alkali metal is one unit less than the atomic number of the alkaline earth metal next to it

5 0
3 years ago
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How many atoms in total are there in 7.35 mol of magnesium oxide (MgO)<br> molecules?
andreev551 [17]

Answer:

4.42 x 10^24

Explanation:

3 0
3 years ago
If 22.5L of nitrogen at 0.98 atm is compressed to 0.95 atm,what is the new volume?
Ksenya-84 [330]

At constant temperature, if the pressure is compressed to the given value, the volume of the nitrogen gas increases to 23.2L.

<h3>What is Boyle's law?</h3>

Boyle's law simply states that "the volume of any given quantity of gas is inversely proportional to its pressure as long as temperature remains constant.

Boyle's law is expressed as;

P₁V₁ = P₂V₂

Where P₁ is Initial Pressure, V₁ is Initial volume, P₂ is Final Pressure and V₂ is Final volume.

Given that;

  • Initial volume of the gas V₁ = 22.5L
  • Initial pressure of the gas P₁ = 0.98atm
  • Final pressure of the gas P₂ = 0.95atm
  • Final volume of the gas V₂ = ?

P₁V₁ = P₂V₂

V₂ = P₁V₁ / P₂

V₂ = (0.98atm × 22.5L) / 0.95atm

V₂ = 22.05Latm / 0.95atm

V₂ = 23.2L

Therefore, at constant temperature, if the pressure is compressed to the given value, the volume of the nitrogen gas increases to 23.2L.

Learn more about Boyle's law here: brainly.com/question/1437490

#SPJ1

6 0
2 years ago
What types of elements- metals,
crimeas [40]

Answer:

Noble gases

Explanation:

The noble gases are non-metals that requires the highest amount of energy to remove an electron from their shells.

The reason for this difficult is that their electronic configuration confers a stable configuration them.

  • The ionization energy is the energy required to remove the most loosely held electrons in an atom.
  • Due to the special stability of noble gases, it is very difficult to remove electrons from an atom of noble gases.
7 0
3 years ago
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