Anion vs. Cation
metals become these types of ions
What is a cation
radium
What is Ra2+
Rb1+
What is rubidium ion
bromide
What is 1-
Electrons in Ca+2
18
S042-
What is the symbol for Sulfate?
Sulfur with a 2- charge
What is an anion
aluminum
What is Al3+
Sr2+
what is strontium ion
Ba
What is 2+
electrons in O-2
10
PO43-
What is the symbol for phosphate?
an atom that has gained electrons
What is an anion
chromium (III)
What is Cr+3
N3-
What is nitride
sulfur
What is 2-
electrons in Pb+4
78
NO2-
What is the symbol for Nitrite?
this ion has more protons than electrons
What is a cation
Phosphorus
What is 3- ?
Cl1-
What is chloride
Argon
What is 0 ?
electrons in I-1
54
OH-
What is the symbol for Hydroxide?
the only polyatomic cation
ammonium
cobalt (II)
What is Co+2
Co2+
What is cobalt (II) ion
Selenium
What is 2- ?
Why does an atom gain or lose electrons when becoming an ion?
To have the same number of electrons as a noble gas.
NH4+
What is the symbol for Ammonium?