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e-lub [12.9K]
3 years ago
15

From his experiments, J. J. Thomson concluded that cathode ray particles can move at very fast speeds. cathode ray particles can

be moved by electric current. atoms contain small positively charged particles that are called protons. atoms contain small negatively charged particles that are called electrons. Mark this and return
Chemistry
1 answer:
Semenov [28]3 years ago
4 0

Answer:atoms contain small negatively charged particles that are called electrons

Explanation:

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What are all the possible masses of cl2 molecules that are made when two chlorine atoms bond together?
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The masses of the 2 most common isotopes of Cl are 35 and 37. Therefore we can formulate 3 possible masses of Cl2:

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35 + 35 = 70 
35 + 37 = 72 
37 + 37 = 74 

<span>However, Cl 35 is the most common isotope of chlorine of the two therefore it is the most probable that two Cl 35 atoms will combine, so 70 is the most common among all.

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If 5 moles of P4 reacted with 22 moles Cl2 according to the above reaction, determine:
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b) If 6 moles of Cl_2 reacts with one mole of P_4 , then 22 moles of Cl_2 will react : \frac{1}{6}\times 22=\frac{11}{3}=3.66 moles of P_4

Moles of P_4  left after the reaction = 5-3.66=\frac{4}{3}=1.34 moles.

c) 0 Moles of Cl_2 , since it is present in less amount it will get completely consumed in the reaction. Hence, it is limiting reagent.



7 0
3 years ago
Atom A has 32 protons and 35 neutrons. atom B has 32 protons and 33 neutrons. are they isotopes?
Anna007 [38]
Yes because the protons are the same but the neutrons change
8 0
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