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cupoosta [38]
2 years ago
11

The maximum number of orbits in an atom is _____. -three -five -seven -nine

Chemistry
2 answers:
makvit [3.9K]2 years ago
7 0
The answer is seven .......
marissa [1.9K]2 years ago
4 0
Seven
Elements do not contain more than 7 electron shells.
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7.895 g + 3.4 g round to the correct number significant figures
DIA [1.3K]

Answer:

11.3 g

Explanation:

7.895 + 3.4 = 11.295

When rounded to correct number of significant figures --> 11.3

There are 3 significant figures in 11.3

7 0
2 years ago
How is the pH of an acidic substance raised?
ch4aika [34]

Explanation:

An acid is a substance that produces excess hydroxonium ions in solution.

An acid based on the pH scale is a substance that has a low pH. Acid lies within a range of 1-7 on the pH scale.

  • A pH of 7 is for neutral compounds like water.
  • A pH greater that 7 is for basic compounds.
  • In order to raise the pH, we are driving at a substance becoming more neutral or basic.

This can be achieved by adding more base to the solution of the substance. When we add more base, hydroxyl ions will neutralize the excess hydroxonium ions and drag the pH towards that of neutrality.

Addition of more base can eventually make the substance basic.

learn more:

Phosphoric acid brainly.com/question/11062486

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4 0
2 years ago
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The stream table shows the time needed for water to soak into the playfield soil.
Sloan [31]

Answer:

TRUE

Explanation:

plz brian list

4 0
3 years ago
When molten rock undergoes crystallization above ground, what type of rock results?
Alika [10]
Your answer should be:
<span>Extrusive igneous rock</span>
8 0
3 years ago
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Calculate number of moles of 4.4g of CO2 and 5.6L of NH3 . Pls help . Its urgent
kupik [55]
Moles of CO₂ = mass / molecular weight
Moles of CO₂ = 4.4 / (12 + 16 x 2)
Moles of CO₂ = 0.1 mol

Each mole of gas occupies 22.4 L at STP. Therefore,
Moles of NH₃ = 5.6 / 22.4
Moles of NH₃ = 0.25 mol
4 0
3 years ago
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