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mario62 [17]
3 years ago
7

The noble-gas notation for the element indium, (In, atomic #49) is:

Chemistry
1 answer:
Tanya [424]3 years ago
3 0

Answer:[Kr]4d^{10}5s^25p^1

Explanation:

The element Indium with atomic number 49 will have 49 protons and 49 electrons in it.

Electronic configuration represents the total number of electrons that a neutral element contains. We add all the superscripts to know the number of electrons in an atom. The electrons are filled according to Afbau's rule in order of increasing energies and the nearest noble gas is Krypton with 36 electrons.

The electronic configuration in terms of noble gas configuration is:  

In:49:[Kr]4d^{10}5s^25p^1

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