Fluorine (F) with 7 outermost electrons
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The electron configuration 1s22s22p5 corresponds to the element fluorine (F). It has 9 electrons, with 7 electrons in the outermost energy level (2s2p).
The electron configuration 1s22s22p5 corresponds to the element fluorine (F), which has 9 electrons.
It is an element. Elements are composed of atoms, and atoms of elements combine chemically to form compounds.
This chemical element is dysprosium (Dy).
"He" is an element. It is the chemical symbol for helium, which is a noble gas and an element on the periodic table.
The element name for element number 31 is Gallium.