Alkali and Alkaline Earth metals (groups 1 and 2 on the periodic table) will lose electrons in all cases. Transition metals have a special case in which they can gain electrons to form coordinate covalent compounds. Metals will always lose electrons in the formation of ions, though.
Metals will usually lose electrons more than gain.
Alkaline Earths will most easily lose an electron. This is because the have a smaller alkali radii than alkali metals causing them to not be as tightly bound to the nucleus. This makes the more readily lose their electrons.
The Alkali Metals, which are the elements in Group 1 of the periodic table, each have one lone electron in their valence shell. And each of these elements wants to get rid of that single electron. These metals, which include lithium, sodium, potassium, rubidium, caesium and francium, are the most likely to lose electrons.
Silicon. Magnesium and sodium are metals and readily lose electrons to form cations, Mg2+ and Na+. Fluorine readily gains an electron to form the anion F-. Silicon on the otherhand in group 14 would need to gain 4 or lose 4 electrons to achieve the octet.
Atom lose electron to form positive ion and some gain electron to form negative ion.
Bi
Because it's "easier" for the elements to gain or loose just one electron, so they react more readily.
For example metals loss electrons and nonmetals gain electrons.
Generally metals lose electrons and nonmetals gain electrons.
Positive. Metals 'lose' an electron during metallic bonding, this causes a sea of negative electrons throughout the metal molecules, leaving posotive metal ions
metals lose electrons rather than gain them
metals lose electrons rather than gain them
Alkaline Earths will most easily lose an electron. This is because the have a smaller alkali radii than alkali metals causing them to not be as tightly bound to the nucleus. This makes the more readily lose their electrons.
The Alkali Metals, which are the elements in Group 1 of the periodic table, each have one lone electron in their valence shell. And each of these elements wants to get rid of that single electron. These metals, which include lithium, sodium, potassium, rubidium, caesium and francium, are the most likely to lose electrons.
Silicon. Magnesium and sodium are metals and readily lose electrons to form cations, Mg2+ and Na+. Fluorine readily gains an electron to form the anion F-. Silicon on the otherhand in group 14 would need to gain 4 or lose 4 electrons to achieve the octet.
Atom lose electron to form positive ion and some gain electron to form negative ion.
It doesn't lose or gain
As fluorine is a halogen (the group in which the elements are more reactive as they are one electron lesser than that of the octet configuration)and hence it can only gain electrons.