Naming and Chemical Formulas Flashcards

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Questions and Answers

The overall charge on a compound is ___.

neutral

The sum of the charges of the ions in a compound must be ___.

zero

The total charge of the positive and negative charges in a compound must equal ___.

0

How can you tell if a compound is Ionic?

<p>If it has a metal and a nonmetal</p> Signup and view all the answers

How can you tell if a compound is Molecular?

<p>If it has two nonmetals</p> Signup and view all the answers

What is MgBr2?

<p>Magnesium Bromide</p> Signup and view all the answers

What is CaCl2?

<p>Calcium Chloride</p> Signup and view all the answers

What is NaCl?

<p>Sodium Chloride</p> Signup and view all the answers

What is Pb(NO3)2?

<p>Lead (II) Nitrate</p> Signup and view all the answers

What is KI?

<p>Potassium Iodide</p> Signup and view all the answers

What is MnO?

<p>Manganese (II) Oxide</p> Signup and view all the answers

What is Pb(PO4)2?

<p>Lead (VI) Phosphate</p> Signup and view all the answers

What is the symbol for a sodium ion?

<p>Na+</p> Signup and view all the answers

What is the symbol for a sulfate ion?

<p>SO4 2-</p> Signup and view all the answers

What is the formula for Aluminum Phosphate?

<p>AlPO4</p> Signup and view all the answers

What is the formula for Calcium Carbonate?

<p>CaCO3</p> Signup and view all the answers

What is the formula for Ammonium Bromide?

<p>NH4Br</p> Signup and view all the answers

What is the formula for Sulfur Trioxide?

<p>SO3</p> Signup and view all the answers

What is the symbol for Lead (III)?

<p>Pb 3+</p> Signup and view all the answers

What is the symbol for Manganese (II)?

<p>Mn 2+</p> Signup and view all the answers

What is the symbol for Iron (II)?

<p>Fe 2+</p> Signup and view all the answers

What is the formula for Lead (III) Phosphate?

<p>PbPO4</p> Signup and view all the answers

What is the formula for Iron (II) Nitrate?

<p>Fe(NO3)2</p> Signup and view all the answers

What is the formula for Copper (III) Sulfate?

<p>Cu2(SO4)3</p> Signup and view all the answers

What is the formula for Cobalt (II) Chloride?

<p>CoCl2</p> Signup and view all the answers

What is the formula for Aluminum and Bromine?

<p>AlBr3</p> Signup and view all the answers

What is the formula for Magnesium and Iodine?

<p>MgI2</p> Signup and view all the answers

What is the formula for Sodium and Oxygen?

<p>Na2O</p> Signup and view all the answers

What is the formula for Pb 2+ and O 2-?

<p>PbO</p> Signup and view all the answers

What is the formula for Sn 2+ and I -?

<p>SnI2</p> Signup and view all the answers

What is the formula for Fe 3+ and S 2-?

<p>Fe2S3</p> Signup and view all the answers

What is the formula for Barium and Sulfur?

<p>BaS</p> Signup and view all the answers

What is the formula for Sodium Hydroxide?

<p>NaOH</p> Signup and view all the answers

What is the formula for Lead (II) Nitrate?

<p>Pb(NO3)2</p> Signup and view all the answers

What is the formula for Potassium and Permanganate?

<p>KMnO4</p> Signup and view all the answers

What is the formula for Diphosphorus Trioxide?

<p>P2O3</p> Signup and view all the answers

What is the formula for Carbon Tetrachloride?

<p>CCl4</p> Signup and view all the answers

What part of a name helps distinguish between different molecular compounds that contain the same elements?

<p>prefixes</p> Signup and view all the answers

What number does this prefix indicate? octa-

<p>8</p> Signup and view all the answers

What number does this prefix indicate? tetra-

<p>4</p> Signup and view all the answers

What number does this prefix indicate? hepta-

<p>7</p> Signup and view all the answers

What number does this prefix indicate? nona-

<p>9</p> Signup and view all the answers

What is the name of this compound? BF3

<p>Boron Trifluoride</p> Signup and view all the answers

What is the name of this compound? N2O4

<p>Dinitrogen Tetroxide</p> Signup and view all the answers

What is the name of this compound? P4S7

<p>Tetraphosphorus Heptasulfide</p> Signup and view all the answers

What is the formula for this name? carbon tetrabromide

<p>CBr4</p> Signup and view all the answers

What is the formula for this name? nitrogen triiodide

<p>NI3</p> Signup and view all the answers

What is the formula for this name? iodine monochloride

<p>ICl</p> Signup and view all the answers

What is the formula for this name? tetraiodine nonaoxide

<p>I4O9</p> Signup and view all the answers

When writing the formula for any ionic compound, the charges of the ions must __.

<p>be equal</p> Signup and view all the answers

What are two methods for writing a balanced formula?

<p>Using the name; crisscross method</p> Signup and view all the answers

The name of an ionic compound is written with the name of the _____ first followed by the name of the _____.

<p>cation; anion</p> Signup and view all the answers

How can you tell the charge of cobalt in the compound cobalt (II) iodide?

<p>The roman numeral</p> Signup and view all the answers

What is a polyatomic ion?

<p>ions composed of more than one atom</p> Signup and view all the answers

How do you write the formula for a compound containing a polyatomic ion?

<p>Write the symbol for the cation followed by the formula for the polyatomic ion and balance the charges</p> Signup and view all the answers

Why are parentheses used to write the formula Al(OH)3?

<p>More than one hydroxide is needed</p> Signup and view all the answers

The name of the compound Pb(NO3)2 is

<p>Lead (II) Nitrate</p> Signup and view all the answers

Name the compound. As2O5

<p>Diarsenic Pentoxide</p> Signup and view all the answers

Name the compound. CuCl2

<p>Copper (II) Chloride</p> Signup and view all the answers

Name the compound MgCl2

<p>Magnesium Chloride</p> Signup and view all the answers

Name the compound CH3COOH

<p>Hydrogen Acetate or Acetic Acid</p> Signup and view all the answers

Name the compound Pb(PO4)2

<p>Lead (VI) Phosphate</p> Signup and view all the answers

Name the compound CoCl2

<p>Cobalt (II) Chloride</p> Signup and view all the answers

Name the compound Fe2(SO4)3

<p>Iron (III) Sulfate</p> Signup and view all the answers

Name the compound FePO4

<p>Iron (III) Phosphate</p> Signup and view all the answers

Name the compound PBr3

<p>Phosphorus Tribromide</p> Signup and view all the answers

Name the compound HI

<p>Hydrogen Monoiodide</p> Signup and view all the answers

Name the compound H3PO4

<p>Hydrogen Phosphate or Phosphoric Acid</p> Signup and view all the answers

Name the compound KH

<p>Potassium Hydride</p> Signup and view all the answers

Name the compound CuCN

<p>Copper (I) Cyanide</p> Signup and view all the answers

Name the compound HgO

<p>Mercury (II) Oxide</p> Signup and view all the answers

Name the compound Mg(NO3)2

<p>Magnesium Nitrate</p> Signup and view all the answers

Name the compound LiOH

<p>Lithium Hydroxide</p> Signup and view all the answers

Name the compound Al(NO3)3

<p>Aluminum Nitrate</p> Signup and view all the answers

Name the compound CaCO3

<p>Calcium Carbonate</p> Signup and view all the answers

What is Ammonium?

<p>NH4 +1 charge</p> Signup and view all the answers

What is Acetate?

<p>CH3COO -1</p> Signup and view all the answers

What is hydrogen carbonate (bicarbonate)?

<p>HCO3 -1</p> Signup and view all the answers

What is Chlorate?

<p>ClO3 -1</p> Signup and view all the answers

What is Chlorite?

<p>ClO2 -1</p> Signup and view all the answers

What is Perchlorate?

<p>ClO4 -1</p> Signup and view all the answers

What is Hypochlorite?

<p>ClO -</p> Signup and view all the answers

What is Cyanide?

<p>CN -</p> Signup and view all the answers

What is Hydroxide?

<p>OH -</p> Signup and view all the answers

What is Nitrate?

<p>NO3 -1</p> Signup and view all the answers

What is Nitrite?

<p>NO2 -1</p> Signup and view all the answers

What is Permanganate?

<p>MnO4 -1</p> Signup and view all the answers

What is Sulfate?

<p>SO4 2-</p> Signup and view all the answers

What is Sulfite?

<p>SO3 2-</p> Signup and view all the answers

What is Carbonate?

<p>CO3 2-</p> Signup and view all the answers

What is Chromate?

<p>CrO4 2-</p> Signup and view all the answers

What is Dichromate?

<p>Cr2O7 2-</p> Signup and view all the answers

What is Phosphate?

<p>PO4 3-</p> Signup and view all the answers

What bond is formed between a metal and a non-metal?

<p>ionic bond</p> Signup and view all the answers

What does the transfer of electrons represent?

<p>ionic bond</p> Signup and view all the answers

What does sharing of electrons represent?

<p>covalent bond</p> Signup and view all the answers

What does the 'sea of electrons' refer to?

<p>metallic bond</p> Signup and view all the answers

What is the name H2O?

<p>dihydrogen monoxide</p> Signup and view all the answers

What is carbon monoxide?

<p>CO</p> Signup and view all the answers

What is carbon tetrachloride?

<p>CCl4</p> Signup and view all the answers

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Study Notes

Compound Charges

  • Compounds are neutral overall.
  • The sum of ion charges in a compound must equal zero, indicating balance.
  • The total charge of positive and negative ions in a compound must also equal 0.

Identifying Compounds

  • Ionic compounds contain at least one metal and one nonmetal.
  • Molecular compounds consist of two nonmetals.

Common Compounds and Formulas

  • Magnesium Bromide is denoted as MgBr2.
  • Calcium Chloride is represented as CaCl2.
  • Sodium Chloride is known as NaCl.
  • Lead (II) Nitrate is expressed as Pb(NO3)2.
  • Potassium Iodide is written as KI.

Ion Symbols

  • A sodium ion is represented as Na+.
  • The sulfate ion is denoted as SO4 2-.

Formulas of Specific Compounds

  • Aluminum Phosphate is written as AlPO4.
  • Calcium Carbonate is denoted as CaCO3.
  • Ammonium Bromide has the formula NH4Br.
  • Sulfur Trioxide is expressed as SO3.

Ion Charges

  • Lead (III) has the symbol Pb 3+.
  • Manganese (II) is represented as Mn 2+.
  • Iron (II) can be denoted as Fe 2+.

Ionic Compound Formulas

  • The formula for Lead (III) Phosphate is PbPO4.
  • Iron (II) Nitrate is expressed as Fe(NO3)2.
  • For Copper (III) Sulfate, the formula is Cu2(SO4)3.
  • Cobalt (II) Chloride is represented as CoCl2.
  • The formula for Magnesium and Iodine is MgI2.

Prefixes in Molecular Names

  • Prefixes like "octa-" for 8, "tetra-" for 4, "hepta-" for 7, and "nona-" for 9 are essential in naming molecular compounds.

Naming Common Molecular Compounds

  • BF3 is named Boron Trifluoride.
  • N2O4 is named Dinitrogen Tetroxide.
  • P4S7 is known as Tetraphosphorus Heptasulfide.
  • Carbon Tetrachloride is expressed as CCl4.

Writing Formulas

  • For any ionic compound, ensure charges of the ions are equal when writing the formula.
  • The crisscross method can help create balanced formulas from compound names.

Polyatomic Ions

  • A polyatomic ion consists of more than one atom, such as NH4+ (Ammonium) and SO4 2- (Sulfate).

Parentheses in Formulas

  • Parentheses are utilized in formulas like Al(OH)3 to denote multiple atoms of the polyatomic ion.

Naming Specific Compounds

  • Common compounds include:
    • Hydrogen Acetate or Acetic Acid as CH3COOH.
    • Magnesium Nitrate as Mg(NO3)2.
    • Acetic Acid as H3PO4 (Hydrogen Phosphate).

Types of Bonds

  • An ionic bond is characterized by the transfer of electrons between metals and nonmetals.
  • A covalent bond involves electron sharing between nonmetals.
  • Metallic bonds feature a "sea of electrons" allowing conductivity.

Common Names and Formulas

  • H2O is referred to as Dihydrogen Monoxide.
  • Carbon monoxide is denoted as CO.
  • Carbon Tetrachloride is expressed as CCl4.

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