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

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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Description

Test your knowledge of naming compounds and understanding chemical formulas with this practical flashcard quiz. Learn about charge balance and identification of ionic compounds to solidify your chemistry fundamentals. Perfect for students looking to enhance their understanding of chemical properties.

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