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Fluorine
Atomic Model Project
By : Shaylan Gangoo and Mahi Nagananda
Periodic Table information
Shaylan
Periodic Table information
Family name- Halogen
Group 17
Atomic number: 9
Atomic mass: 18.9984
Chemical symbol: F
States of matter at STP: Gas
Properties
Properties
Mahi
Chemical Properties
- forms compounds with nearly all the elements
- glass, metals, and water all burn when they come into contact with fluorine
- the most electronegative element
Chemical
Physical Properties
- Corrosive pale yellow gas
- The melting point of fluorine is -219.62 degrees Celsius at 1 atm.
- The density of fluorine is 1.696 grams per liter.
physical
Discovery Information
Discovery Information
In the early 19th century, scientists (Andre-Marie Ampere and Humphry Davy) considered the possibility of an element within hydrofluoric acid, and Humphry Davy announced the new element as fluorine in 1813. Henry Moissan finally isolated fluorine in 1886.
Henry Moissan was a French chemist. Fluorine was announced in France, where Humphry Davy is from as well.
Henry Moissan
Shaylan
Mahi
Abundance on earth
- 24th most abundant element on Earth
- 13th most abundant in Earth's crust and makes up 0.054% of the crust
- In the ocean, fluorine makes up approximately 1.3 mg per liter
- Fluorine is also present in clay, rocks, coal, and it settles in the soil
Abundance
Most Abundant Isotope
Fluorine-19, THe most abundant isotope
Fluorine-19 is fluorine's most abundant isotope. In fact, it is the only isotope of fluorine that exists naturally. One use of this isotope is for MRI for detection and quantification of immune cell therapy for cancer - a certain type of MRI imaging that involves the isotope fluorine-19 is used to transfer cells as well as quantify cells and improve their chances of survival.
Fluorine -18, the least abundant isotope
Least Abundant Isotope
Fluorine-18 is a radioisotope, meaning that this isotope is extremely unstable, therefore having a short life. Despite the short life of said isotope, Fluorine-18 is used in a procedure called Positron emission tomography (PET). This procedure is used mainly for helping doctors see different parts of the body, like the heart, and brain. It is extremely effective, as doctors can diagnose diseases much easier.
Nuclear Information
Shaylan
21 19 20
F F F 9 9 9
Nuclear Information
Flourine- 21 has a radioactivity of 4.78 × 109 TBq/g. It undergoes beta decay as well.
Flourine-19 is the only stable isotope and naturally occurring one, so it also doesn't have a decay mode.
Flourine-20 has a radioactivity of 1.885 × 109 TBq/g. It undergoes beta decay.
Chemical Reaction
Shaylan
Chemical Reaction
Mg + F2 => MgF2
- This is a synthesis reaction
- This reaction forms an ionic compound
- Magnesium flouride is useful because it is used in the ceramic industry for the production of ceramic frits. It is useful in the nuclear industry as well, and for surface treatments.
Mahi
Fluorine : The reactive gas
- Fluorine is so reactive that it is rare to find it in its natural form, therefore it only appears naturally when it is in a compound
- Fluorine gas can dissolve glass - it is nearly impossible to store it
- Sodium fluoride is used to prevent cavities in the teeth so it’s added to toothpaste
fun facts
Models
Bohr Model
Shaylan
Mahi
Lewis Dot Diagram
Electron Configuration : 1s^2 2s^2 2p^5
Mahi
Orbital Notation
Works Cited
Research Document :
https://docs.google.com/document/d/1t90wASXMqlOeHh5Tsf97wWmza7I-oDXFAHQwUctFii8/edit?usp=sharing
MLA Citations :
https://docs.google.com/document/d/1dKNB-ZROMyn-xsqj85HAtV5NV7v5b-P_koKr-vIOurc/edit?usp=sharing