
Which of the following is electronic configuration of argon?
A.
B.
C.
D.
Answer
477k+ views
Hint:Electronic configuration refers to the way of filling electrons in shells of a chemical species. Argon is a noble gas and it must follow noble gas configuration that is the full complete octet. So the valence shell of argon must have electrons in order to complete the octet.
Complete answer:
Noble gas configuration refers to the electron configuration of noble gases. The basic principle of all chemical reactions is the tendency to acquire stability. Main-group atoms reach a noble gas configuration in a molecule by obeying the octet rule and similar patterns. The noble gases are less reactive than other elements because they already have a noble gas configuration that means they have complete octet. The noble gas configuration of argon is:
Hence, option B is correct.
Additional Information:
Electronic configurations prove that each and every electron is moving independently in an orbital and it also moves in an average field which is created by all other orbitals. Mathematically, configurations are explained by Slater configuration state functions. Each and every system wants to acquire the state of stability that is in simple words the state of minimum energy and in order to acquire that stability chemical elements take part in chemical reactions so that they will reach a stable electronic configuration which is similar to that of its nearest noble gas.
Note:
An example of this tendency is when two hydrogen atoms react with one oxygen atom to form a water molecule. The valency of hydrogen atom in ground state is one, and on formation of water it accepts a share of a second electron coming from oxygen, so that its configuration is similar to that of its nearest noble gas that is helium.
Complete answer:
Noble gas configuration refers to the electron configuration of noble gases. The basic principle of all chemical reactions is the tendency to acquire stability. Main-group atoms reach a noble gas configuration in a molecule by obeying the octet rule and similar patterns. The noble gases are less reactive than other elements because they already have a noble gas configuration that means they have complete octet. The noble gas configuration of argon is:
Hence, option B is correct.
Additional Information:
Electronic configurations prove that each and every electron is moving independently in an orbital and it also moves in an average field which is created by all other orbitals. Mathematically, configurations are explained by Slater configuration state functions. Each and every system wants to acquire the state of stability that is in simple words the state of minimum energy and in order to acquire that stability chemical elements take part in chemical reactions so that they will reach a stable electronic configuration which is similar to that of its nearest noble gas.
Note:
An example of this tendency is when two hydrogen atoms react with one oxygen atom to form a water molecule. The valency of hydrogen atom in ground state is one, and on formation of water it accepts a share of a second electron coming from oxygen, so that its configuration is similar to that of its nearest noble gas that is helium.
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