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andrew-mc [135]
3 years ago
13

If an atom has 15 protons, 13 neutrons, and 17 electrons, what is the atom's electrical charge?

Chemistry
1 answer:
GuDViN [60]3 years ago
3 0
The charge of this atom would be  -2
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Calculate the molarity of 0.850 mol of Na2S in 1.70 L of solution.
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Molarity is simply the ratio of the number of moles of a substance over the total volume of the solution. Assuming that the addition of 0.850 moles does not change the overall volume of 1.70 L, therefore molarity is simply:

 

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5 0
3 years ago
Which of the following observations indicates that an atom has neutrons?
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C

When the alpha particle hits the beryllium atoms at high speeds, it splits the atomic nuclei hence causing the nuclei particles flying. When exposed to an electric field, the path of the proton is curved towards the negative pole while neutrons are unaffected.  

Explanation:

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Learn More:

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4 0
2 years ago
Write a balanced equation for the reaction of chlorine gas with fluorine gas. express your answer as a chemical equation. identi
postnew [5]
The  balanced  equation  for  reaction  of  chlorine  gas  with   fluorine  gas  is  written  as  follows

Cl2(g)   +   3  F2(g)  =  2ClF3(g)

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6 0
3 years ago
Read 2 more answers
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