Chemical Formulas Ppt

Unit 1 - Introduction to Chemistry. To express this in ppm and ppb you do the same sort of calculation as above and it always involves the partwhole ratio.

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Unit 3 - Atomic Structure.

Chemical formulas ppt. 1401 amu Cl. 2 Al2O3s This equation means 4 Al atoms 3 O2 molecules ---produces---. Formula consists of the symbols for the elements that make up the molecule each followed by a number.

120 gmol 360 g mass of H in 1 mol C 3. Calculate the percent by mass of each element by dividing the mass of that element in one mole of the compound by the molar mass of the compound and multiplying by 100. So the formula weight of calcium chloride CaCl 2 would be Ca.

Common Chemical Formula List NaCl Sodium chloride H 2 O Water C 6 H 12 O 6 Glucose C 2 H 6 O Alcohol CaSO 4 Sulfate Group H 2 S Hydrogen Sulfide. 4CO2 How many molecules of carbon dioxide. The chemical formula of a molecule shows the number of atoms of each element in the molecule.

Chemical Formulas Key Concepts Author. 1 atom changing a subscript changes the molecule H H O O H2O2 H O H Interpreting Chemical Formulas Coefficient Number in front of a chemical formula Tells the number of molecules Example 3H20 You Try. Chemical Formulas and Equationsppt - Chemical Formulas.

The coefficient tells you about the quantity or number of molecules of the compound. VALENCY The combining power of element is known as its valency. The subscript numbers in an empirical formula should have no common divisor.

Formula Weight FW A formula weight is the sum of the atomic weights for the atoms in a chemical formula. 1s2 2s2 2p6 3s1 Na 11 e Na 10e A Positive Ion Cation. Pearson Education Inc or its affiliates.

Letters elements Subscripts of atoms of each element Ex. You have a 150 gram sample and you figure out that it contains 000006 grams of gold. BINARY IONIC COMPOUNDS Writing Formulas from Names 1st word CATION 2nd word ANION name with ide ending.

2 molecules of Al2O3 ANDOR 4 moles of Al 3 moles of O2 ---produces---. 2 moles of Al2O3 0 0 There are four basic steps to balancing a chemical equation. Valency can be used to find out how the atoms of an element will combine with the atoms of another element to form a chemical compound.

07122015 Chemical formula ppt 1. On-screen Show 43 Other titles. ATOMS AND MOLECULES WRITING CHEMICAL FORMULAS 2.

Arial Calibri Constantia Wingdings 2 Tahoma Wingdings Flow 1_Flow 2_Flow 3_Flow How to Count Atoms What is mole. Interpreting Chemical Formulas Subscript the number of atoms of the preceding element no subscript. Charge Electron Dot Structure or Lewis Dot Diagram A notation showing the valence electrons surrounding the atomic symbol.

Particles and Energy - Unit 7n Chemical Reactions. This preview shows page 1 - 12 out of 43 pages. KNOWNS mass of C in 1 mol C 3 H 8 3 mol.

Chemical formulas indicate the relative number of atoms of each kind in a chemical compound. In the same way chemical symbols are put together to make chemical formulas that describe substances. Nomenclature - Nomenclature Chapter 9 Chemical Formula Chemical Formulas tell two things.

Unit 2 - Matter and Energy. 18072004 100 Free Chemical Formulas presentation template available for Google Slides Keynote and PowerPoint you can download for free and use in. 1102013 21008 AM Document presentation format.

2355 amu 1111 amu Formula weights are generally reported for ionic compounds. Naming Cations and Anions Potassium ion Copper II ion Chloride ion Oxide ion Ba2 S2- Au3 Nitrite ion Hydroxide ion Phosphate ion SO42- CrO42- ClO32- Binary Ionic Compounds Compounds composed of 2 different monatomic elements To write binary formulas write cation first then anion criss-cross charges to determine how many of each ion you need use subscripts to. C8H18 8 Carbon atoms 18 Hydrogen atoms PowerPoint PPT presentation free to view Unit 7n Chemical Reactions.

Again the subscript 1 is omitted. An atom that has lost one or more electrons. Are you looking For chemical Formula Powerpoint TemplatePPT Template On chem.

NiCl 2 aq 2NaOHaq NiOH 2 s 2NaClaq Matt MeadowsMcGraw-Hill Education. Since table salt is an ionic compound the formula implies that numbers of Na ions and Cl- ions are the same in the solid. BINARY IONIC COMPOUNDS NaBr MgF2 Sodium Bromide Magnesium Fluoride BINARY IONIC COMPOUNDS Potassium Chloride Aluminum Oxide.

0 Chemical Equations 4 Als 3 O2g ---. Marilou Rezare Cortez Last modified by. Chemical Formulas and Equations Letters form words.

Fe2O3 2 iron atoms. Percent ppm ppb and ppt page 2 Revised by D Lingner 11232009 In chemistry its more like this. PowerPoint PPT presentation free to view.

The chemical equation for the reaction shown in the figure below looks like this. Particles and Energy Representing chem reactions Word Equations Sodium metal burns in chlorine gas to form. Elements within the same group have the same electron-dot structure.

And Chemical Formulas 18. Download medical powerpoint templates on chemical Formula Powerpoint Template.

Balancing Chemical Equations Powerpoint And Student Notes Chemical Equation Equations Teaching Chemistry