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What is the electron configuration for br-?

The electronic configuration of Br atom is [Ar] 4s2 3d10 4p5. Since, bromide ion has gained 1- charge by acquiring one more electron, its electronic configuration is [Ar] 4s2 3d10 4p6.
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What is the electron configuration and noble gas core for Br?

What is the electron configuration and noble gas core for Br?

  argon is because it's the last noble gas used to get to Br.. it's like a short cut, instead of writing 1s^2 2s^2 2p^6 3s^2 3p^6 4s^2 3d^10 4p^5 you can skip a lot of it
How many 4p electrons are in Br?

How many 4p electrons are in Br?

Bromine has five 4p electrons.

Electron configuration of In?

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p1

What is a electron configuration?

Electronic configuration refers to the number of electrons in each  electron shell. There can be up to 2 electrons in the first shell,  8 in the second and third and then 18
What is the electronic configuration?

What is the electronic configuration?

The electron configuration is the distribution of electrons of an atom or molecule (or other physical structure) in atomic or molecular orbitals.

Electron configuration for He?

1s2