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Halogens, group 17 on the periodic table, typically gain or share one electron in covalent bonds
an ionic compound is formed
1. Rubidium don't gain atoms ! 2. If you think to electrons rubidium loss one electron and becom a cation.
because then it's balanced
The halogen ions are big compared to their normal atoms as they gain one extra electron because of the resultant ionic bond that is formed.
when an any atoms want to achieved a state of nearest an inert atom, its gain electron
Halogens, group 17 on the periodic table, typically gain or share one electron in covalent bonds
The atoms of Group 17 elements must gain one electron in order to become stable.
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Halogens
most non metals (except for the group 18 elements) NITROGEN(N) SULFUR(s) CHLORINE (CI)
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This family is the halogen group: F, Cl, Br, I, At, Uus.
1. Gain an electron. 2. Lose an electron.
Chlorine atoms have 7 outermost electrons and need to gain an electron to achieve the stability of a full valence shell.
For example metals loss electrons and nonmetals gain electrons.
A stable electron configuration.