Element mass - PowerPoint PPT Presentation

Formulas and Math

Formulas and Math. Binary Compounds. “Bi” means 2 Binary compounds are formed between 2, different elements Ex: H 2 O and NaCl. Rules:. 1) Write the positive element 1 st with it’s oxidation # on top ex – Magnesium Chloride – Mg +2

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391 views • 26 slides

The Atom

The Atom. Ch 3.1. Foundations of Atomic Theory. Law of Conservation of Mass Mass cannot be created or destroyed Law of Definite Proportions Chemical compound always has the same proportions of elements no matter the size Law of Multiple Proportions

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426 views • 25 slides

The Mole

The Mole. The Mole (8.3). What is a Mole? Definition Avogadro’s Number How can we count atoms by using the mole? CONVERSIONS! Examples. Molar Mass. The mass (in grams) of 1 mole of the substance. Examples: Formula Weight-. Percent Composition of Compounds.

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250 views • 6 slides

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