The <em>effective nuclear charge</em> is the difference between the atomic number an element and the shielding constant. Hence, the atom which experiences the greatest nuclear charge is Sulphur, S.
<u>Calculating the greatest effective nuclear charge</u>, :
- Z = Atomic number ; S = shielding constant
<u>For Magnesium, Mg</u>:
Z = 12
S = 10
<u>For Aluminium, Al</u>:
Z = 13
S = 10
For Sulphur, , S:
Z = 16
S = 10
Therefore, the atom whuch experience the greatest is Sulphur.
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Scientists can determine the age of the tree based on how many rings are in the trunk of the tree
Disinfectant are formulated to destroy the activities of microorganisms.
<h3>What is disinfectant?</h3>
Disinfectant refer to liquid or chemical solution which is formulated to kill microorganisms and disrupts their activities. There are several types of disinfectants and they are formulated to serve several purposes.
Note: The question is incomplete and the completed part cannot be found on any website, hence the question is still answerable.
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I believe it’s D. Hope this helps
Answer:
They are often given by athletes.
So the answer is C