Exambusters Chemistry Study Cards 4

Write the name for the polyatomic ion: NO21-
nitrite
Write the name for the polyatomic ion: SO32-
sulfite
Write the name for the polyatomic ion: PO43-
phosphate
Write the name for the polyatomic ion: CrO42-
chromate
Write the name for the polyatomic ion: C2H3O21-
acetate
Write the formula for the polyatomic ion: perchlorate
ClO41-
Write the formula for the polyatomic ion: hypochlorite
ClO1-
Write the formula for the polyatomic ion: dichromate
Cr2O72-
Formula of: hydrochloric acid
HCl
Formula of: sulfuric acid
H2SO4
Formula of: methane
CH4
Formula and name of the acid formed from: F
HF Hydrofluoric acid
Formula and name of the acid formed from: Cl
HCl Hydrochloric acid
Formula and name of the acid formed from: Br
HBr hydrobromic acid
Formula and name of the acid formed from: I
HI hydriodic acid
Write the common oxidation number for: iron
iron +2 or +3
Write the common oxidation number for: copper
copper +1 or +2
Write the common oxidation number for: silver
silver +1
Write the common oxidation number for: zinc
zinc +2
Write the common oxidation number for: nickel
nickel +2
Write the common oxidation number for: lead
lead +2
Write the formula for: sodium and chlorine
NaCl
Write the formula for: calcium and iodine
CaI2
Write the formula for: aluminum and oxygen
Al2O3
Name the covalent compound: PCl5
phosphorous pentachloride
Name the covalent compound: CO2
carbon dioxide
Name the covalent compound: CO
carbon monoxide
Name the covalent compound: N2O4
dinitrogen tetroxide
Name the ionic compound: KBr
potassium bromide
Name the ionic compound: Al(NO3)3
aluminum nitrate
Name the ionic compound: NH4ClO3
ammonium chlorate
How was this ion formed? Na1+
Na atom loses one electron
How was this ion formed? Cl1-
Cl atom gains one electron
How was this ion formed? O2-
O atom gains two electrons
How was this ion formed? Al3+
Al atom loses three electrons
How was this ion formed? Mg2+
Mg atom loses two electrons
Write the oxidation number for ions from: Group IA
IA: +1
Write the oxidation number for ions from: Group IIA
IIA: +2
Write the oxidation number for ions from: Group VIA
VIA: -2
Write the oxidation number for ions from: Group VIIA
VIIA: -1
Write the oxidation number for ions of: sodium
Group IA +1
Write the oxidation number for ions of: chlorine
Group VIIA -1
Write the oxidation number for ions of: magnesium
Group IIA +2
Write the oxidation number for ions of: oxygen
Group VIA -2
Define Positive ion
Element loses electrons
Which elements tend to form positive ions?
Metals
Define Negative ion
Element gains electrons
Which elements tend to form negative ions?
Non-metals
What is a structural formula?
Two or three dimensional model showing the connectivity of the atoms in the molecule
Name the acid: H2SO4
sulfuric acid
Name the acid: HNO2
nitrous acid
Name the acid: H3PO4
phosphoric acid
Name the acid: HClO
hypochlorous acid
Write the formula for the compound made from: sodium and sulfate
Na2SO4
Write the formula for the compound made from: magnesium and nitrate
Mg(NO2)2
Write the formula for the compound made from: aluminum and phosphate
AlPO4
Formula of: nitric acid
HNO3
Formula of: carbon monoxide
CO
Formula of: ozone
O3
Name the ionic compound: FeCl3
iron (III) chloride
Name the ionic compound: FeO
iron (II) oxide
Name the ionic compound: Cu(OH)2
copper (II) hydroxide
Name the ionic compound: Cu3PO4
copper (I) phosphate
Covalent prefix: mono-
1
Covalent prefix: di-
2
Covalent prefix: tri-
3
Covalent prefix: tetra-
4
Covalent prefix: penta-
5
Covalent prefix: hexa-
6
Covalent prefix: hepta-
7
Covalent prefix: octa-
8
Covalent prefix: nona-
9
Covalent prefix: deca-
10
Formula for: nitric acid
HNO3
Formula for: sulfurous acid
H2SO3
Formula for: carbonic acid
H2CO3
Formula for: perchloric acid
HClO4
Empirical Formula

Gives the relative numbers of atoms of the elements in a molecule.

 

Expressed as the lowest possible set of integers

What are the molecular and empirical formulas of peroxide?

Molecular: H2O2

 

Empirical: HO

Molecular Formula
States the number and identity of each atom present in a molecule.
Wat is the molecular formula for ammonia?
NH3
Formula of: ammonia
NH3
Formula of: sodium hydroxide
NaOH
Formula of: carbon dioxide
CO2
Formula for the Polyatomic ion: ammonium
NH41+
Formula for the Polyatomic ion: nitrate
NO31-
Formula for the Polyatomic ion: hydroxide
OH1-
Formula for the Polyatomic ion: sulfate
SO42-