Question

what is electronic configuration? what is atom? what is valency? what is a balanced shell? how many atoms can be accommodated in the k shell?
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Answer 1

Answer:

1 .In atomic physics and quantum chemistry, the electron configuration is the distribution of electrons of an atom or molecule in atomic or molecular orbitals

2.An atom is a particle of matter that uniquely defines achemical element. An atom consists of a central nucleus that is usually surrounded by one or more electrons. ... The nucleus is positively charged, and contains one or more relatively heavy particles known as protons and neutrons. A proton is positively charged

3.In chemistry, the valence or valency of an element is the measure of its combining capacity with other atoms when it forms chemical compounds or molecules

4.In fluid mechanics, a shell balance can be used to determine how fluid velocity changes across a flow.

5A shell is a differential element of the flow. By looking at the momentum and forces on one small portion, it is possible to integrate over the flow to see the larger picture of the flow as a wholeTherefore, the K shell, which contains only an s subshell, can hold up to 2 electrons; the L shell, which contains an s and a p, can hold up to 2 + 6 = 8 electrons, and so forth; in general, the nth shell can hold up to 2n2 electrons.

Explanation:

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Answer 2

Answer:

Electronic configuration ------The electron configuration of an element describes how electrons are distributed in its atomic orbitals. Electron configurations of atoms follow a standard notation in which all electron-containing atomic subshells (with the number of electrons they hold written in superscript) are placed in a sequence. For example, the electron configuration of sodium is 1s22s22p63s1.

Atom ---the smallest part into which an element can be divided

Valancy ----the valence or valency of an element is the measure of its combining capacity with other atoms when it forms chemical compounds or molecule

Balanced shell ----- It is the one which has valancy of 0

and it has reached its octact

K shell --- only 2. electrons

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