Vocabulary
What do we call the difference between the number of protons and electrons?
charge
What is the chemical formula of the potassium ion?
K+1
Draw a pictorial model of Mg3N2
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What is the chemical formula of sodium chloride?
NaCl
What is the chemical formula of sodium hydroxide?
NaOH
What do we call a collection of element symbols with subscripts .. for example: CaCl2 or NaCl or Fe2O3
Chemical Formula
What is the chemical formula of the oxide ion?
Draw a model showing the electron transfer process during the formation of calcium chloride from its neutral atoms.
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What is the chemical formula of calcium nitride?
Ca3N2
What is the chemical formula of copper (II) nitrate?
Cu(NO3)2
What do we call many nonmetal atoms bonded together, with one charge overall?
Polyatomic Ion
What is the chemical formula of iron (III) ion?
Fe+3
What is the charge of the cation in CrO2?
+4
What is the chemical formula of Iron (III) oxide?
Fe2O3
What is the chemical formula of aluminum carbonate?
Al2(CO3)3
What do we call a positively charged ion?
cation
What is the chemical formula of hydroxide?
OH-1
What is the name of CrO2?
Chromium (IV) oxide
What is the chemical formula of Magnesium oxide?
MgO
What is the chemical formula of iron (III) phosphate?
FePO4
What do we call a negatively charged ion?
Anion
What is the chemical formula of nitrate?
NO3-1
What is the chemical formula of ammonium sulfate?
(NH4)2SO4
What is the charge of the cation in CuCl2?
+2
What is the charge of the cation in Fe3(PO4)2?
+2