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IC5.5.5 Formulae of salts © Oxford University Press 2011 Formulae of salts How to work out the formulae of salts
IC5.5.5 Formulae of salts © Oxford University Press 2011 Salts are ionic compounds containing positive and negative ions. Overall the compound has no charge. The positive and negative charges of the ions in the formula balance. sodium ion Na + chloride ion Cl - + sodium chloride NaCl - + -
IC5.5.5 Formulae of salts © Oxford University Press 2011 What is the formula for copper(II) hydroxide? Cu(OH) 2 Copper(II) hydroxide copper ion Cu 2+ hydroxide ion OH - 2+ - --
IC5.5.5 Formulae of salts © Oxford University Press 2011 What is the formula for magnesium chloride? MgCl 2 magnesium chloride magnesium ion Mg 2+ chloride ion Cl - 2+ - --
IC5.5.5 Formulae of salts © Oxford University Press 2011 What is the formula for calcium sulfate? CaSO 4 calcium sulfate calcium ion Ca 2+ sulfate ion SO 4 2- 2- 2+ 2-
IC5.5.5 Formulae of salts © Oxford University Press 2011 What is the formula for calcium carbonate? CaCO 3 calcium carbonate calcium ion Ca 2+ carbonate ion CO 3 2- 2- 2+ 2-
IC5.5.5 Formulae of salts © Oxford University Press 2011 What is the formula for iron(III) oxide? Fe 2 O 3 iron(III) oxide iron ion Fe 3+ oxide ion O 2- 3+ 2- 3+ 2-
CHEMISTRY NOTES Polyatomic Ions. What is the formula for…. Iron (III) chloride FeCl 3 Copper (II) nitride Cu 3 N 2 Tin (II) Oxide SnO.
Ionic Compounds Formed from positive and negative ions. Almost always have a metal and a nonmetal.
Writing Ionic Formulas from Names. Steps for Writing Ionic Formulas from Names Write the formula for the cation (metal) including the charge Write the.
Are neutral because the total positive charges of the cation equal the total negative charge of the anion.
Writing Formulas and Names for Ionic Compounds. I can write the name and formula for a binary ionic compound. A binary ionic compound is a compound.
More Ionic Compounds. Rules for Writing Ionic Formulas The cation comes first in the chemical formula for ionic compounds. The cation comes first in the.
Ionic Bonds & Ionic Compounds Types of ions – Monatomic ions - ions formed from a single atom. Ca 2+, K +, Al 3+, Cu +, Cu 2+, Fe 2+, Fe 3+, Cl -, O 2-,
Do Now 1.Write the word equation for the reaction of calcium and water Calcium + water calcium hydroxide + hydrogen 2.Write the word equation for the.
Naming and Writing Formulas. Types of Compounds There are two types of compounds. There are two types of compounds. Ionic: Ionic: a metal and an nonmetal.
Ch 5 - Ionic Compounds Naming & Writing Formulas.
Binary Ionic Compounds. Binary ionic compounds are made up of only two elements. The positive ion, or cation, is an ion consisting of only one atom. The.
Naming Compounds. Ionic Compounds The net (final) charge of the compound will be ZERO! This means that there must be equal amounts of positive and negative.
Chemical Formulas and Chemical Compounds 7-1 Chemical Names and Formulas 7-2 Oxidation Numbers 7-3 Using Chemical Formulas 7-4 Determining Chemical Formulas.
WRITING FORMULA FOR IONIC COMPOUNDS All you need to know about writing formula for Y11 to Y13 Science (NH 4 ) 3 PO 4.
Chemistry Jeopardy NameFormulasCombineWrite the Formula Properties
Ionic Equations & Reactions. Equations Molecular equations – show the complete chemical formulas. Does not indicate ionic character Complete ionic equation.
Reactions. DON’T COPY pink WRITING. Acid + base This is a common reaction and needs to be remembered for exams. ACID + BASE -> SALT + WATER E.g. hydrochloric.
What is the formula for magnesium chloride? Review of Formula Writing…
Ions Atoms are neutral, the number of positive protons is balanced by the number of negative electrons. Ions are atoms that have become charged. There.
Chapter 5.8 & Naming & Formula Writing for Ionic Compounds.
When a lump of zinc is added into copper sulfate solution, the two slowly react to produce very small dark copper granules and zinc sulfate solution. 1.Write.
Tooth and Notch Ionic Compounds Use the templates in the following slides to make representations of the indicated ionic compounds. Copy and paste to produce.
LEARN THOSE FORMULAE! Cut out the cards and use them as a board game or play as a slide show!
SECTION 6–3: NAMING COMPOUNDS AND WRITING FORMULAS Physical Science.
5.8 Common and Systematic Names In the early days of chemistry, a new compound was often named by its discoverer. In the early days of chemistry, a new.
DO NOW: Finish this table from yesterday FormulaChemical NameLewis Dot Picture NaBr Calcium Chloride Li 2 S Aluminum Bromide Sodium Bromide CaCl 2 AlBr.
Ionic Compounds: Names and Formulas SNC2D. Counting Ions Sodium chloride or NaCl contains 1 sodium ion and 1 chloride ion. (Lewis dot diagrams)
Salts Naming Salts, state symbols and writing equations.
Ionic Compounds An ionic bond holds positive ion(s) and negative ion(s) together to form compounds [http://www.agen.ufl.edu/~chyn/age2062/lect/lect_02/2_11a.gif]
SCH 3U1 1. Solubility of Ionic Compounds 2 All solutes will have some solubility in water. “Insoluble” substances simply have extremely low solubility.
Chemical Formulas Chemistry Dr. May Valence Electrons Sum of the outermost s an p electrons Na = 1 Ca = 2 Al = 3 C = 4 N = 5 O = 6 Cl = 7 Ne = 8.
Chapter 6: Chemical Names and Formulas **Ions, Ionic Compounds, and Molecular Compounds**
Name chemical substances from their formula and write simple word equations.
This powerpoint will guide you through learning to write the names for ionic compounds using the chemical formulas, and to write the chemical formulas.
Ionic Compounds Binary compounds: compounds composed of two elements Binary Ionic Compounds Made up of what types of elements? Ex. KCl Contains: potassium.
Molar Mass and Mole Calculation Problems. Molar Mass You need to calculate molar mass if you have more than one atom in a problem. It’s easy… just add.
Lonely man + lonely woman = happy couple + Metal + oxygen → Metal Oxide Example: Cu + O 2 → CuO or balanced…… 2Cu + O 2 → 2CuO Cu + Cu + O 2 → CuO + CuO.
Chemical Compounds Chemical Names. Naming of Cations Name of the element + the word ion Examples: Na + - Mg 2+ - Al 3+ - Sodium ion Magnesium ion Aluminum.
Chapter 8 Chemistry 1L Cypress Creek High School Unit 8: Ionic Bonds.
Science 10 Unit 2. In an ionic compound, positive charges must balance the negative charges. e.g.: What is the formula for magnesium phosphide? Magnesium.
III. Ionic Compounds (p. 210 – 224) Ch. 7 - Chemical Bonding.
Ionic Bonding Naming Ionic Compounds. The same as naming individual ions. Cation, Electron Donor, or Metal in compound is said first. Anion name is changed.
Writing Formulas for Ionic Compounds. Anatomy of a Chemical Formula Chemical formulas express which elements have bonded to form a compound. The subscripts.
Polyatomic Ions and Their Compounds. Polyatomic Ions A polyatomic ion is an electrically charged group of two or more chemically bonded atoms that functions.
Ionic Compounds How to write formulae. Writing a formula: 1.Use the “table of ions” to find the charges 2.Write the positive ion first, then the negative.
Like elemental symbols, scientists use chemical formulae to provide information about compounds: Describe what elements are present Give the proportions.
Quiz: March 5 Balance the following equations: 1. Na 2 O + H 2 O -> NaOH 2. H 2 O 2 -> H 2 O + O 2 3. H 2 + F 2 -> HF 4. CS 2 + O 2 -> CO 2 + SO 2 5. Al.
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