Answer: Option (c) is the correct answer.
Explanation:
Atomic number of sodium is 11 and its electronic configuration is 
. When sodium loses one electron then it will attain +1 charge and its electronic configuration will be as follows.
: 
Atomic number of fluorine is 9 and its electronic configuration is 
. When fluorine gains an electron then it acquires -1 charge and its electronic configuration is as follows.
:
Atomic number of aluminium is 13 and its electronic configuration is 
. When aluminium loses its valence electrons then it acquires +3 charge and its electronic configuration is as follows.
:
Thus, we can conclude that the listing for aluminum is correct.
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Answer:
its a catalyst to make the reaction faster
Explanation:
persianutabcom
An error in estimation could arise owing to;
1) Inaccurate measurement of the volumes of the solutions
2) When the reaction vessels are not properly cleaned
<h3>What is error in an experiment?</h3>
Error could occur in an experiment when values are misread. The error could be random error or a systematic error.
The major ways in which an error can occur in the estimation of concentration of acetic acid in the vinegar are;
1) Inaccurate measurement of the volumes of the solutions
2) When the reaction vessels are not properly cleaned
Learn more about errors in experiment:brainly.com/question/14149934
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Answer:
The units of the rate constant, k, depend on the overall reaction order. The units of k for a zero-order reaction are M/s, the units of k for a first-order reaction are 1/s, and the units of k for a second-order reaction are 1/(M·s).
Explanation:
