Cations and Anions
Cations are ___________ charged ions
positively
The sum of the charges in an ionic compound will always be
zero
Cr forms these two ions
When a metal is able to form two different cations, follow the name of the cation by a __________ _________ to indicate charge
roman numeral
name the following ion Br-
Bromide ion
Elements in group 2A for ions with this charge
2+
Write the formula for the ionic compound formed by calcium and sulfur
CaS
Ni forms this cation
Ni2+
Anions are named by replacing the end of the element name with the suffix
-ide
name the following ionic compound Au2S
Gold I Sulfide
Anions are formed by (metal, nonmetal)
nonmetals
Write the formula for the ionic compound formed by Nickel and chlorine
NiCl2
Sn forms these two cations
Sn2+ and Sn4+
Name the following metal ion Li+
lithium ion
name the following ionic compound MgO
Magnesium Oxide
Cations are __________ om size than the atoms from which they are formed
smaller
Write the formula for the compound formed by magnesium and hydrogen sulfite
Mg(HSO3)2
The formulas for bicarbonate is
HCO3-
Name the following ionic compound CaF2
Calcium Fluoride
Name the ionic compound SrS
Strontium sulfide
Anions have ____________ electrons than they do protons (more/less)
more
Write the formula for the ionic compound formed by manganese and phosphate
Mn3(PO4)2
The formula for sulfite is
SO32-
Write the formula for the ionic compound formed by these two ions, cesium and nitrite ion
CsNO2
Name the following ionic compound Co2O3
Colablt II oxide