By Priscilla
Pale yellow or greenish gas Non-metal Not a conductor Corrosive Melting Pt: -220 C Boiling Pt: -188 C
Cubic
Atomic Number: 9 Atomic Weight: Protons: 9 Electrons: 9 Neutrons: 10 Symbol: F
Block:P Period:2 Group:17 Electron Configuration: [He].2s 2.2p 5
As a refrigerant Freon in air conditioners
In toothpaste to prevent decay Add to Drinking water
Never found free in nature Found in feldspar, fluorite, other minerals Found in Sun, Meteorites, rocks
Corrosive Most reactive element Burns with bright flame Forms HF, deadly toxic Reacts explosively with hydrogen Oxidation number: -1
Causes severe burns on skin Used to etch glass in light bulbs Fluorine Video be.com/watch?v= wm2AdknTcMI be.com/watch?v= wm2AdknTcMI