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Classification of the First 20 Elements on the Periodic Table (Non-Metals …
Classification of the First 20 Elements on the Periodic Table
Noble Gases
Odorless
Colorless
Low Chemical Reactivity
Neon (Ne)
Argon (Ar)
Helium (He)
Alkaline Earth Metals
Somewhat Reactive metals
Readily lose their 2 outermost e-
Berylium (Be)
Calcium (Ca)
Magnesium (Mg)
Non-Metals
Poor Conductors
Brittle
Gain e- in chemical reactions
Boron (B)
Carbon (C)
Nitrogen (N)
Oxygen (O)
Flourine (F)
Silicon (Si)
Phosphorus (P)
Sulfur (S)
Chlorine (Cl)
Alkali Metals
Easily Ionized
Incredibly reactive
Lithium (Li)
Potassium (K)
Sodium (Na)
Hydrogen (H)
Can act as a metal or nonmetal based on reaction
Poor Metal
Aluminum (Al)