Answers.com > Wiki Answers > Categories > Science > Chemistry > How a negative ion form?

How a negative ion form?

In: Chemistry, Periodic Table, Elements and Compounds [Edit categories]

Answer:

a negative ion is formed when an atom gains an extra electron

First answer by ID3288335606. Last edit by ID3288335606. Question popularity: 2 [recommend question].

Can you answer these Chemistry questions?

	Why do you have to heat up the solution of oxalic acid after adding sulphuric acid for the titration with permanganate?	Answer it!
	What is the chemical composition of glycerol?	Answer it!
	What is contrast hydrogen?	Answer it!
	What are the chemical formulas for each of the halogen molecules?	Answer it!
	Why iron corrodes while aluminium does not?	Answer it!

What forms a negative 3 ion?
N and P for example. Nitrogen will form a N3- the nitride ion.
Will atoms form negative ions?
ATOMS THAT ARE NONMETALS WILL FORM ANIONS (NEGATIVE IONS) IF GIVEN THE CHANCE WHEN ELECTRONS ARE AVAILABLE FROM THE FORMATION OF CATIONS (POSITIVE IONS).THE ELECTRONS NEED A HOME, EITHER WITH THEIR...
Does neon form a negative ion?
Neon is a noble gas, and therefore, almost never is part of a compound.
Which elements form negative ions?
Those to the right of the periodic table such as F, Cl, O, Br etc.
Why does chlorine forms a negative one ion but sulfur forms a negative two ion?
Chlorine has 7 electrons in its valence shell, and to fill the octet rule, it needs one more. So it will accept one electron to form the Cl- ion. Sulfur has 6 valence electrons, and to fill the octet...