'Simplest ratio' diaporamas de présentation

Chemical Names & Formulas

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P+ = 1234, N= 1111, e- = 1234

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Ionic Compounds: Writing Formulas

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Chapter 8

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Bonding

Bonding. Writing Formula and Naming Compounds. STEPS. 1. Decide if compound is Ionic or Covalent: All Ionic Compounds must have a Cation (Positive Ion) and an Anion (Negative Ion) Covalent Compounds contain either Nonmetals or Metalloids. Steps For Ionic Compounds.

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Review (Partner Talk)

Review (Partner Talk). When each of these are released in water, what ions are released and in what ratios? Li 3 N, b) Fe 2 O. 2) When a metal and non-metal react: a) which one will pull electron(s) from the other.

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11/18/10

Today's Agenda .th 11/18/10. Recall Have your Comp/Notebooks ready Percent Compositions Empirical Formula Hydrates. 11/18/10. http://teachers.yourhomework.com/blowe/. 1. Lab Tomorrow Website is updated. 11/18/10. http://teachers.yourhomework.com/blowe/. 2. Recall.

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Percent Composition and Empirical Formula

Percent Composition and Empirical Formula. Chemistry Ms. Piela. A. Percent Composition: the percentage by mass of each element in a compound.

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Empirical Formula

Empirical Formula. The simplest ratio of atoms For example, the empirical formula of H 2 O 2 (hydrogen peroxide) is HO (1 hydrogen atom for every oxygen atom) What is the empirical formula of glucose, C 6 H 12 O 6 ? Sucrose, C 12 H 22 O 11 ?. How to calculate EF.

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1) a) H = 2.06%, S = 32.69%, O = 65.25% b) Ca = 54.09%, O = 43.18%, H = 2.73% 2) 24 x .787 + 25 x .101 + 26 x .112 =

1 mol O 2. 2 mol MgO . x . x . 32.00 g O 2. 1 mol O 2. 40.31 g MgO. x . 1 mol MgO. 1) a) H = 2.06%, S = 32.69%, O = 65.25% b) Ca = 54.09%, O = 43.18%, H = 2.73% 2) 24 x .787 + 25 x .101 + 26 x .112 = 24.3 3) a) 98.08 g/mol, b) 759.70 g/mol

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