Assignment #4 1/28 Warm up 1.-Define The following in your own words:

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Presentation transcript:

Assignment #4 1/28 Warm up 1.-Define The following in your own words: **Atom **Molecule **Compound 2.- Find out the number of Atoms and Elements in the following Chemical formula: 5Zn2(PO2CN4H2Cl)4 3.Which Substance in this reaction is represented as an element? H20  CO2 + H2

Octet Rule In order for elements to be Happy “Stable”, they need to have their outer shell full with electrons. Group 18 is stable (non-reactive) because their outer shell is full.

Conservation of Matter

Mass is neither created nor destroyed during a chemical reaction

Mass of Reactants = Mass of Products Reactants Products Mass of Reactants = Mass of Products

Chemical reactions are represented on paper by chemical equations.