1. Chapter 2: Elements are the building blocks of matter. Pages 36-68 1 By Lester Green Smallwood Academy Gambo

2. 2.1 Elements Pages 38-43 2

3. 1.14 Explain the importance of using words that are scientifically appropriate. Know difference between scientific words like:  Atoms  Ions  Elements  Molecules  Atomic number  Atomic mass  Etc… 3

4. 1.41 Define element  A pure substance that cannot be broken down into simpler substance.  All elements are represented on the Periodic Table of Elements. 4

5. 1.15.1 Identify and write chemical symbols for common elements. Include ElementSymbolElementSymbol HydrogenNitrogen SodiumOxygen PotassiumNeon MagnesiumHelium CalciumChlorine IronSilicon NickelGold CopperMercury ZincSilver CarbonLead 5 Ca H Na K Mg Fe Ni Cu Zn C N O Ne He Cl Si Au Hg Ag Pb

6. 1.15.2 Recognize that elements are represented by an international agreed upon system of symbols. All elements are represented by a chemical symbol Symbols are agreed upon by all countries in the world 6

7. 1.15.3 Identify each element as either an uppercase symbol or an uppercase letter followed by lowercase letter. Element chemical symbols maybe 1. Single uppercase letter Hydrogen… Carbon… Oxygen… Nitrogen… Potassium… 7 H C O N K

8. 1.15.3 continued… 2. Uppercase letter followed by a lowercase letter Neon… Calcium… Copper… Gold… Iron… 8 Ne Ca Cu Au Fe Worksheet 1: Chemical Symbols