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What element has the electron configuration 1s2 2s1?
The element with the electron configuration 1s2 2s1 is lithium.
What is the electron configuration of Li and F?
The electron configuration of lithium (Li) is 1s2 2s1, with 3 electrons distributed in the 1s and 2s orbitals. The electron configuration of fluorine (F) is 1s2 2s2 2p5, with 9 electrons distributed in the 1s, 2s, and 2p orbitals.
Which ion has the same electron configuration as an atom of He?
The He+ ion (helium ion) has the same electron configuration as an atom of helium (He) because it has lost one electron, making it a 1+ ion. Both the helium atom and He+ ion have a total of 2 electrons arranged in the 1s orbital.
What ions have the same electron configuration as helium?
Lithium ion (Li+) and beryllium ion (Be2+) have the same electron configuration as helium because they both have filled electron shells.
Why doesn't Li form ionic bond with Cl?
Li and Cl do not form an ionic bond because Li readily loses its single valence electron to achieve a stable electron configuration (Li+), while Cl readily gains an electron to achieve a stable electron configuration (Cl-). This leads to the formation of a covalent bond between Li and Cl, where they share electrons to achieve stability.
