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timama [110]
3 years ago
10

Name an element with electrons in the f subshell

Chemistry
1 answer:
nevsk [136]3 years ago
4 0

Answer:

Radon

Explanation:

Radon is present in last group of periodic table which is eighteen.

It is the member of noble gases.

The member of eighteen group are inert.

Radon have complete octet and also inert.

Its atomic mass is 222 amu.

Its atomic number is 86.

Electronic configuration:

Rn₈₆ = [Xe] 4f¹⁴ 5d¹⁰ 6s² 6p⁶

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Titrations provide a method of quantitatively measuring the concentration of an unknown solution.
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Answer: True

Explanation:

Titration is a quantitative technique where a solution of known concentration is used to determine the concentration of an unknown solution. The titrant (the known solution) is added from a burette to a known quantity of the the unknown solution until the reaction is complete.

By knowing the volume of titrant,  we can determine the concentration of the unknown.

Thus the statement Titrations provide a method of quantitatively measuring the concentration of an unknown solution is True .

4 0
3 years ago
7. Wind, moving water, falling rocks, and roller-skating children are all examples of -​
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2. The volume of a rock is 5 cm' and its mass is 50 g. Find the density.<br> pls help :)
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Answer:

<h2>10 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}\\

From the question we have

density =  \frac{50}{5}  = 10 \\

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<h3>10 g/cm³</h3>

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Which planets distance from the sun is 778,600,000
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3 0
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