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Morgarella [4.7K]
3 years ago
6

Some elements have variable valancis. why​

Chemistry
1 answer:
Andrei [34K]3 years ago
4 0

Answer:

because of the different electronic configurations.

I hope this helps

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If there are 10 navy beans,3 pinto beans,and 17 lentils in a container,what is the percent composition of the container by bean?
Stells [14]

The percent abundance in the container by bean will be 43.33 %  if there are 10 navy beans, 3 pinto beans, and 17 lentils in a container

<h3>What is Percentage composition ?</h3>

The percentage composition of a given compound is defined as the ratio of the amount of each element to the total amount of individual elements present in the compound multiplied by 100.

% composition by bean = number of beans / total number of objects in container x 100

  • Total object = 10 ( navy beans) + 3 (pinto beans) + 17 ( lentils) = 30 objects
  • Total beans = 10 ( navy beans) + 3 (pinto beans) = 13 beans

hence ;

  • % composition by beans = 13/30 x 100 = 43.33 %

Therefore, the percent composition of the container by bean is 43.33 %

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2 years ago
Which electrolyte is stronger, NaOH or Ca(OH)2? Why?
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NaOH

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3 years ago
Why do you think that KCl can be used as an effective water softener and also as a drug to kill someone? What is the difference
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Answer: For price-sensitive customers and for customers with no sodium-related health concerns, sodium chloride is an excellent choice. It's effective, inexpensive, easily obtained and usable in any water softener. On the other hand, potassium chloride would be a better choice for other kinds of customers.

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Chemistry question, 20 points, will mark as brainliest if correct:
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CS2 + 3O2 -> CO2 + 2SO2

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