3 years ago

How did electrons gain energy in order to jump to higher energy levels?

1 answer:

3 0

Answer: An electron will jump to a higher energy level when excited by an external energy gain such as a large heat increase or the presence of an electrical field, or collision with another electron.

Explanation:

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When different elements react, their atoms join with other atoms.

FinnZ [79.3K]

Answer:

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2 years ago

What may occur when the burning of fossil fuels releases gaseous nitrogen oxides and sulfur dioxide into the atmosphere

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3 years ago

To soften cloths in the wash it is recommended to use 2.0 g of sodium borate per liter of water. If a filled washing machine hol

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% m/v of the solution = 0.2%m/v

<h3>Further explanation</h3>

$\tt Percent~m/v=\dfrac{mass~solute(g)}{volume~solution(ml)}\times 100\%$

% m/v = g solute / 100 ml solution

Concentration : 2 g sodium borate / L water

For 10 L⇒20 g Sodium borate

$\tt \%m/v=\dfrac{20~g}{10,000~ml}\times 100\%\\\\\%m/v=0.2\%$

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3 years ago

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WARRIOR [948]

I think A, I might be wrong though sorry

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3 years ago

All BUT one substance would be involved with a neutralization reaction. That is a(n)

EastWind [94]

Answer: Alcohol

Explanation:

A neutralization reaction involves the combining of an acid and a base to create a salt and water. Reactants = acid + base. Products = salt + water. No alcohol is involved with a neutralization reaction.

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3 years ago