3 years ago

Which shows an electron being ejected from the atom? explain your reasoning?

1 answer:

3 0

<span>incomplete question. The diagram or figure is not given so we cannot answer this question because the diagram of an electron being ejected from an atom is not given so we cannot answer this question. First you should provide a valid diagram to answer this question.</span>

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D is a green crystalline solid that dissolves in water to give a very pale green solution addition of sodium hydroxide solution

Ksivusya [100]

Answer:

I think its iron(II) oxide

Explanation:

The substance is black but when it's mixed with water it turns green solution so when mixed with sodium Hydroxide it turns green

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2 years ago

How many electrons are in a s-2 ion

Zielflug [23.3K]

Answer:

the ion will have additional 2 electrons so it will be 18

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2 years ago

Sterling silver contains silver and copper metals. if a sterling silver chain contains 17.6g of silver and 2.40g of copper, what

Bogdan [553]

Answer:- 0.88

Solution:- Masses of silver and copper metals are given and we are asked to calculate the percentage of silver in the alloy.

mass percent of Ag = $(\frac{mass of Ag}{mass of alloy})*100$

Mass of Ag = 17.6 g

mass of Cu = 2.40 g

mass of alloy = 17.6 g + 2.40 g = 20.0 g

Let's plug in the values in the formula:

mass percentage of Ag = $(\frac{17.6}{20.0})*100$

mass percentage of Ag = 88%

So, the mass percentage of silver in sterling silver is 88% and in decimal form it is 0.88.

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2 years ago

Identify this reaction <br><br> HBr+ Al(OH)3 —-> H2O + AlBr3

Vikki [24]

<h2><em><u>Answer</u></em></h2>

Neutralization reaction

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3 years ago

What does scientist use to deign their experiments

joja [24]

Answer:

a chart

Explanation:

a chart a chart is the answer

8 0

2 years ago