Element Compound Mixture
Atomic Structure
Naming Compounds
Writing Formulas
Potpourri
100
Is O2 is an element/compound/mixture?
Element
100
What two particles make up most of the mass of an atom?
protons and neutrons
100
Name the following compounds.
K2O
Ag3N
Potassium oxide
silver nitride
100
Write the formula for each of the following compounds:
zinc fluoride
aluminum sulfide
ZnF2
Al2S3
100
What are isotopes?
Atoms of the same element with different numbers of neutrons
200
Is this an element/compound/mixture and a solid/liquid/gas?
Element/Solid
200
How do you calculate the number of neutrons in the nucleus of an atom?
Mass number - atomic number
200
Name the following compounds.
CuCl
Mn2O3
copper (I) chloride
manganese (III) oxide
200
Write formulas for each of the following compounds:
iron(III) selenide
gold (II) fluoride
Fe2Se3
AuF2
200
What are ions?
Give an example of a cation and anion?
charged atoms formed when a neutral atom gains or loses electrons
cation = Na+1
anion = N-3
300
Name the two general categories that are pure substances?
Give an example of each type.
elements - C, N, He
compounds - NaCl, H2O, CO2
300
What types of elements form cations?
What types of elements form anions?
Give an example of a cation and an anion?
metals
nonmetals
cations: Na+1, Mg+2
anions: O-2, F-1
300
Name the following compounds:
NaBr
KC2H3O2
Cu3(PO3)2
sodium bromide
potassium acetate
copper (II) phosphite
300
Write formulas for the following compounds.
aluminum chloride
manganese (IV) chloride
sodium azide
AlCl3
MnCl4
NaN3
300
Write the correct isotopic symbol for an element containing 3 protons, 2 electrons, and 5 neutrons.
83Li+1
400
Classify each as an element/compound/mixture.
1. concrete
2. copper
3. coffee
4. calcium chloride
1. mixture
2. element
3. mixture
4. compound
400
Calculate the number of protons, neutrons, and electrons in I-1.
Protons = 53
Neutrons = 127-53 = 74
Electrons = 54
400
Name the following compounds.
NiSO4
Ba(OH)2
Li2C2O4
(NH4)2S2O3
nickel (II) sulfate
barium hydroxide
lithium oxalate
ammonium thiosulfate
400
Write formulas for the following compounds
cobalt (III) chloride
potassium carbonate
cadmium bicarbonate
iron (II) nitrate
CoCl3
K2CO3
Cd(HCO3)2
Fe(NO3)2
400
Name two similarities and two differences between an oxygen atom and an oxygen ion.
Same: 8 protons, 8 neutrons, atomic # = 8
Different: 8 vs. 10 electrons, ion is bigger, neutral vs. charged.
500
Name 3 elements that are gases at room temperature?
Name 3 mixtures that are liquids at room temperature?
Name 3 compounds that are solids at room temperature?
He, Xe, Ne, Ar
salt water, lemonade, coffee
NaCl, C6H12O6, Fe2O3, NaHCO3
500
Write the correct isotopic symbol for each of the following particles:
1. Atomic number = 15 Neutrons = 17
2. Electrons = 18 # protons = 20
3215P
4020Ca+2
500
Name the following compounds.
Fe2O3
CoPO4
H2O2
CaS
AgClO3
iron(III)oxide
cobalt (III) phosphate
hydrogen peroxide
calcium sulfide
silver chlorate
500
Give the formula and charge for an example of each of the following ions:
1. monatomic cation
2. polyatomic anion
3. polyatomic cation
4. monatomic anion
1. Ca+2
2. NO3-1
3. NH4+1
4. S-2
500
Give the number of protons/neutrons/electrons for each of the following particles:
Na-25 Na Na+1
Na-25 = 11 p/14 n/11 e
Na = 11 p/12 n/11 e
Na+1 = 11 p/ 12 n/ 10 e