H. Chemistry - Ch. 8: Test
Write the NAME of the following chemical compound -- Fe(C₂H₃O₂)₃
Iron (III) Acetate
Write the CHEMICAL FORMULA for the following compound -- Potassium Chloride
KCl
Write the NAME for the the following compound -- Pb(OH)₂
Lead (II) Hydroxide
Use VSEPR theory to predict the shape of the following compound -- CO
Linear
Use VSEPR theory to predict the shape of the following compound -- CO₂
Linear
Write the NAME of the following chemical compound -- Hg₂Br₂
Mercury (I) Bromide
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Mg (+2) & CN (-1)
Mg(CN)₂ ; Magnesium Cyanide
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Mg (+2) & NO₃ (-1)
Mg(NO₃)₂ ; Magnesium Nitrate
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Mg (+2) & CO₃ (-2)
MgCO₃ ; Magnesium Carbonate
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Mg (+2) & PO₄ (-3)
Mg₃(PO₄)₂ ; Magnesium Phosphate
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- NH₄ (+1) & CN (-1)
NH₄CN ; Ammonium Cyanide
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- NH₄ (+1) & NO₃ (-1)
NH₄NO₃ ; Ammonium Nitrate
Write the CHEMICAL FORMULA for the following compound -- Sodium Iodide
NaI
Write the CHEMICAL FORMULA for the following compound -- Sodium Hydroxide
NaOH
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Sn (+4) & NO₃ (-1)
Sn(NO₃)₄ ; Tin (IV) Nitrate
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Sn (+4) & PO₄ (-3)
Sn₃(PO₄)₄ ; Tin (IV) Phosphate
Write the FORMULA for the following compound -- Strontium Hydroxide
Sr(OH)₂
Write the NAME of the following chemical compound -- SrSO₄
Strontium Sulfate
Use VSEPR theory to predict the shape of the following compound -- SiCl₄
Tetrahedral
All elements in compounds are trying to reach what electron configuration?
That of a noble gas (8 valence electrons)
What are the representative units for a molecular compound and an ionic compound?
The representative unit of an Ionic Compound is a Formula Unit. The representative unit of a Molecular Compound is a Molecule.
What happens to electrons in Covalent Compounds?
They are shared
What happens to electrons in Ionic Compounds?
They are transferred
Use VSEPR theory to predict the shape of the following compound -- SO₃
Trigonal Planar
Draw the electron dot structure for the hydrogen carbonate ion (HCO₃(-1)). Carbon is the central atom, and hydrogen is attached to oxygen in this polyatomic anion.
[O - C ^O^^H = O]^- (with 3 pairs around the leftmost oxygen atom & 2 pairs around the other 2 AND DON'T FORGET THE BRACKETS)
Draw the correct Lewis Structure for the following -- NO₂ (-1)
[O - N = O] -1 (with 3 pairs around the leftmost Oxygen & 2 pairs around the rightmost Oxygen) (DON'T FORGET BRACKETS)
Draw the electron dot structure of the polyatomic thiocyanate anion (SCN(-1))
[S = C = N]^- (with 2 pairs around Sulfur & Nitrogen AND DON'T FORGET THE BRACKETS)
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- NH₄ (+1) & CO₃ (-2)
(NH₄)₂CO₃ ; Ammonium Carbonate
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- NH₄ (+1) & PO₄ (-3)
(NH₄)₃ PO₄ ; Ammonium Phosphate
Write the NAME of the following chemical compound -- Ca(OH)₂
Calcium Hydroxide
Write the NAME of the following chemical compound -- CaO
Calcium Oxide
Write the NAME of the following chemical compound -- CO₂
Carbon Dioxide (Covalent)
Write the NAME for the following compound -- CCl₄
Carbon Tetrachloride
Draw the correct Lewis Structure for the following -- BH₃
H - B^H - H
Draw the electron dot structure for the following molecule -- NH₃
H - N ^H - H (with a pair of electrons on the Nitrogen atom)
Draw the electron dot structure for the following molecule -- H₂O₂
H - O - O - H (with 2 pairs of electrons on both Oxygens)
Draw the correct Lewis Structure for the following -- SHF
H - S - F (with 3 pairs of electrons around the Fluorine & 2 around the Sulfur)
What is the electron dot structure for the following element? -- H₂S
H - S - H (with 2 pairs of electrons ONLY around Sulfur)
Draw the electron dot structure for the following molecule -- SiH₄
H - Si vH ^H - H
Write the CHEMICAL FORMULA for the following compound -- Hydrocyanic Acid
HCN
Write the FORMULA for the following acid -- Acetic Acid
HC₂H₃O₂
Write the FORMULA for the following compound -- Nitrous Acid
HNO₂
Write the NAME for the following acid -- HCl
Hydrochloric Acid
Write the CHEMICAL FORMULA for the following compound -- Dihydrogen Monoxide
H₂O
Write the CHEMICAL FORMULA for the following compound -- Sulfurous Acid
H₂SO₃
Write the FORMULA for the following acid -- Sulfuric Acid
H₂SO₄
Write the FORMULA for the following compound -- Hydroselenic Acid
H₂Se
Write the FORMULA for the following compound -- Phosphoric Acid
H₃PO₄
What is the electron dot structure for the following element? -- I₂
I - I (with 3 pairs of electrons around each)
What is the electron dot structure for the following element? -- NI₃
I - N^I - I (with 1 pair around Nitrogen & 3 pairs around each Iodine)
What does a molecular formula show?
A Molecular formula shows what atoms makeup the molecule and the number of each of these atoms.
Describe the difference between an ionic bond and a covalent bond.
A covalent bond is a bond between two nonmetals and an ionic bond contains at least one metal or cation.
Write the CHEMICAL FORMULA for the following compound -- Silver Nitrate
AgNO₃
Write the FORMULA for the following compound -- Aluminum Hydroxide
Al(OH)₃
What is the Octet Rule?
Atoms tend to gain, lose or share electrons in order to have a full set of valance electrons.
Write the FORMULA for the following compound -- Boron Trichloride
BCl₃
Use VSEPR theory to predict the shape of the following compound -- H₂Se
Bent
Use VSEPR theory to predict the shape of the following compound -- SCl₂
Bent
Draw the electron dot structure for the following molecule -- BrCl
Br - Cl (with 3 pairs of electrons on both atoms)
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Fe (+3) & CO₃ (-2)
Fe₂(CO₃)₃ ; Iron (III) Carbonate
Draw the correct Lewis Structure for the following -- CHCl₃
Cl - C vCl ^H - Cl (with 3 pairs around each Cluorine)
Write the CHEMICAL FORMULA for the following compound -- Trichlorine Monobromide
Cl₃Br
Write the NAME for the the following compound -- Co(OH)₂
Cobalt (II) Hydroxide
How can you tell the difference between an ionic and covalent formula?
Covalent formulas are completely made of nonmetals without any cations.
Write the FORMULA for the following compound -- Copper (II) Hydroxide
Cu(OH)₂
Write the NAME of the following chemical compound -- Cl₂
Dichloride (Covalent)
Write the NAME for the following compound -- P₂O₅
Diphosphorus Pentoxide
What is the electron dot structure for the following element? -- OF₂
F - O - F (with 3 pairs of electrons around the Fluorines & 2 pairs around the Oxygens)
Draw the correct Lewis Structure for the following -- SF₂
F - S - F (with 3 pairs of electrons around the Fluorines & 2 pairs around the Sulfur)
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Fe (+3) & CN (-1)
Fe(CN)₃ ; Iron (III) Cyanide
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Fe (+3) & NO₃ (-1)
Fe(NO₃)₃ ; Iron (III) Nitrate
Write the FORMULA for the following compound -- Iron (II) Hydroxide
Fe(OH)₂
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Fe (+3) & PO₄ (-3)
FePO₄ ; Iron (III) Phosphate
Write the NAME for the following acid -- HNO₃
Nitric Acid
Write the FORMULA for the following compound -- Dinitrogen Tetrahydride
N₂H₄
Write the CHEMICAL FORMULA for the following compound -- Trinitrogen Decoxide
N₃O₁₀
Draw the correct Lewis Structure for the following -- XeO₄
O - Xe vO ^O -O (with 3 pairs around each O)
Write the CHEMICAL FORMULA for the following compound -- Phosphorous Dibromide
PBr₂
Write the NAME of the following chemical compound -- Si₅Se₆
Pentasilicon Hexaselenide
Write the NAME of the following chemical compound -- HClO₄
Perchloric Acid
Write the NAME of the following chemical compound -- H₃PO₃
Phosphorous Acid
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Sn (+4) & CN (-1)
Sn(CN)₄ ; Tin (IV) Cyanide
Write the correct FORMULA & NAME for the compounds formed by combining these positive and negative ions. -- Sn (+4) & CO₃ (-2)
Sn(CO₃)₂ ; Tin (IV) Carbonate
