Asked by Giznelbell

Arrange the following ions in order of increasing size:

Br- Ca2+ K+ Se2-
Answered by DrBob222
Taking electrons away makes the ions smaller than the atom. Adding electrons makes the ions larger than the atom.
Answered by Giznelbell
why is the atomic radius of a noble gas larger than a halogen?
Answered by DrBob222
same response.
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