It becomes a negative ion.
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When an atom gains an electron, it becomes negatively charged and forms an anion. This process is known as reduction because the atom is gaining negatively charged particles. The added electron occupies a new energy level, causing the atom's size to slightly increase.
Their charge increases and the size expands (only when the adding electrons is added to its new orbital viz s,p,d,f)
An atom will become Negative if it gains an electron and it will be an Anion.If it loses an electron it will be Positive and it will be a CationLearn & Enjoy
No, chlorine typically gains one electron to achieve a stable electron configuration of a full valence shell.
The interaction between the two atoms involves a sharing of electrons, known as a covalent bond. This type of bonding allows both atoms to achieve a stable electron configuration without forming ions. The atoms involved typically have similar electronegativities and share electrons to fill their outer electron shells.
When an ion gains electrons, its charge becomes more negative.
When lithium bromide (LiBr) forms, lithium (Li) loses one electron to bromine (Br), which gains that electron. Therefore, one electron transfers between the lithium and bromine atoms during the formation of LiBr.