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.
What is the formula for hydrogen?
h2
What is the formula for nitrogen?
n2
What is the formula for phospherous?
p4
What is the formula for sulfur?
s8
What is the formula for carbon monoxide?
CO
What is the formula for nitrogen monoxide?
NO
What is the formula for ammonia?
NH3
What is the formula for Methane?
CH4
What is the formula for hydrogen sulfide?
H2S
