Amount of a substance: Charges on Ions + Formulae Flashcards
When are ionic compounds formed?
= when metals react with non metals
= metals form a positive ion
= non metals form a negative ion
= achieve the electronic structure of a noble gas- full outer shell,
=
What is the ionic charge of alliminium?
= 3+
What is the ionic charge of transition metals?
= form several positively charged ions.
What is the ionic charge of silver?
= Ag+
What is the ionic charge of zinc?
Zn2+
When non metals form ions what happens?
= forms negative ions
= gain electons
= ions end in ‘ide’.
When does the ion end in ‘ide’, in what circumstance?
=if non metal has reacted with one element.
What ionic charge does nitrogen and phospherous produce?
3- charge.
What is the ionic charge of hydrogen?
= H+
What is the ionic charge hydroxide?
= Oh-
What is the ionic charge of carbonate?
Co3^2-
What is the ionic charge of ammonium?
= NH4^+
What is the ionic charge of nitrate?
No3^-
What is the ionic charge of sulfate?
= So4^2-
What is the term used to describe a ion containing 2 different elements?
= Polyatomic ions.
