(a)
Interpretation:
The ion formed by fluorine needs to be explained.
Concept Introduction:
Ions are formed by gaining or releasing the electron to or from the valence shell of a neutral atom.
(a)
Explanation of Solution
Fluorine is the 7th group element and it can gain one electron to form 1 -ve ions or anions. One electron is added to the valence shell of a fluorine atom to get a stable electronic configuration like a noble gas. After taking one electron fluorine atom forms an anion (fluoride ion).
Fluorine
(b)
Interpretation:
The ion formed by lithium needs to be explained.
Concept Introduction:
Ions are formed by gaining or releasing the electron to or from the valence shell of a neutral atom.
(b)
Explanation of Solution
Lithium is group 1 metal and group 1 atoms release one electron to form 1 +ve ion or cations. One electron is taken out from the valence shell of the lithium atom to get a stable electronic configuration like a noble gas. After releasing one electron, the lithium atom forms a cation (lithium cation).
Lithium
Chapter 3 Solutions
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