Chapter 2: Elements are the building blocks of matter. Pages By Lester Green Smallwood Academy Gambo
2.1 Elements Pages
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
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
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
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
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
continued… 2. Uppercase letter followed by a lowercase letter Neon… Calcium… Copper… Gold… Iron… 8 Ne Ca Cu Au Fe Worksheet 1: Chemical Symbols