magnesium parent: kyle preston. the birth first born by sir humphry davy born in 1808
TRANSCRIPT
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Magnesium
Parent: Kyle Preston
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The Birth
• First Born by Sir Humphry Davy
• Born in 1808
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Physical Description
• Magnesium is a metal, it is actually an alkali-earth metal!
• Little Mag, has 12 protons, 12 neutrons, and 12 electrons
• Mg:
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Properties
• Melting point: 650 degrees Celsius
• Boiling point: 1090 degrees Celsius
• Specific heat: 1.05 kJ
• Density: at 239K – 1.738g/cm^3
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Chemical Properties
• 2 valence electrons
• Oxidation number – 2
• Reactivity – highly reactive
• Magnesium nitrate, Magnesium methoxide and Magnesium fluoride, are compounds of magnesium
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Positives and negatives
• Magnesium, when burned, produces a bright light, so if you are trapped in a dark cave, and have magnesium to burn, you will have light, however, it burns really fast, so the light will not last long.
• Low amounts of magnesium in blood can cause health issues.
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Radium
Parent: Kyle Preston
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The Birth
• Pierre and Marie Curie discovered Radium
• Discovered December 26th 1948
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Physical Description
• Radium is an Alkali – Earth Metal
• Radium has 88 protons, and 138 neutrons, and 88 electrons
• Ra:
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properties
• Melting point – 700 degrees Celsius
• Boiling point – 1737 degrees Celsius
• Cubic Crystal Structure
• Density – at 293K – 5g/cm^3
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Chemical Properties
• Valence Electrons – 2
• Oxidation number – 2
• Reactivity – highly reactive
• Compounds are: Radium Bromide, Radium chloride, and Radium Iodide
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Guardian: Adair Crawford
Birthplace:
Date of Berth: 1790
Gender: Metal
Physical Description: This metal has 38 protons, 38 electrons, and has a Lewis Dot Diagram such as this;
It also has a Bohr Diagram that looks like this;
Physical Description Continued: Its density is 2.64 grams per cubic centimeter, its boiling point is 1655K, its melting point is 1050K, its specific heat is 0.38 J g^-1 K^-1, and its heat conductivity is 5X10 sm^-1.
Chemical Description: Its valence number is 2, its ion is 1.12, oxidation number is 2, its reactivity is strontium sulfide, and can compose the three compounds of strontium iodide, strontium oxide and strontium fluoride.
Positive Attributes: Reduces the risk of dental cavities.
Negative Attributes: Can cause blood clots.
Strontium
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Barium
By: Kelsey Nelson
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Genetics • Son of Sir Humphry Davy • Birthplace: London,
1808• Gender: alkaline earth
metal• Physical attributes: kind
of chubby, with 56 protons and electrons, and 81 neutrons
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More About Barium
Bohr Diagram
Lewis Dot Diagram
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Physical Features
• Density: 3.59g/cc @ 300K
• Boiling Point: 2171K 1898°C 3448°F
• Melting Point: 1002K 729°C 1344°F
• Specific Heat: 0.204J/gK
• Heat of vaporization: 142kJ/mol
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Chemical Features
• Valence number: 7 valence electrons
• Ions: +2
• Maximum Oxidation Number: 2
• Minimum Oxidation Number: 0
• Compounds: Oxygen, Sulfur, and Tellurium
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Positive Attributes
• In Humans:– Blood/mg dm-3: 0.068 – Bone/p.p.m: 3-70 – Liver/p.p.m: 0.04-1.2 – Muscle/p.p.m: 0.09 – Daily Dietary Intake: 0.6-1.7 mg
**Total Mass In Avg. 70kg human: 22 mg• USES: sparkplugs, vacuum tubes, fireworks,
fluorescent lamps. Insoluble barium sulfate is used for body imaging
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Negative Attributes
• Very flammable
• Highly poisonous.
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Beryllium• Parent
– The French Chemist Louis-Nicholas Vauquelin
• Birth place– Beryllium was discovered
in 1797 found in emeralds located in the mountains of California and in France
• Gender– Beryllium is a metal
found under the category of Alkaline Earth Metals.
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Beryllium
• Physical Properties– Number of Protons: 4– Number of Electrons: 4– Density : 1.848 g/cm– Melting Point 1287 °C– Boiling Point 2470 °C
Specific Heat Capacity 1.82 J
– Thermal Conductivity 2.00 W/cm K
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Beryllium
• Chemical Description– The Valence number is
2– Ion is positive 2– Maximum oxidation
number is 2– Minimum oxidation
number is 0– There is no reaction
between Beryllium and water or steam (including when at a red hot).
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Beryllium
• Beryllium has positive attributes such as being used in nuclear reactor to absorb neutrons. It is being used in radiation windows for x-ray tubes. The element also is under research to find out if it could be used as a new mental to construct aircrafts because of it being so light-weight.
• The negative attributes include the fact that beryllium and its salts are poisonous and carcinogenic.
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Calcium
• Parent• The first discoverer of
this element were the Romans
Birth Place and Date• Sir Humphry Davy was
the first to declare Calcium as a metal in 1808 A.D.
Gender• Calcium is a metal
under the group of Alkaline Earth Metals.
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Calcium
• Number of Protons: 20• Number of Electrons:
20• Density: 1.55 g/cm3• Melting Point: 842 °C• Boiling Point: 1484 °C• Specific Heat Capacity
is 0.650 J/g°C• Thermal Conductivity
2.00 W/cm K
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Calcium
• Chemical Description– The Valence
Number is 2– Ion is positive 2– Oxidation States is
2– Calcium can react
with water to make calcium Hydroxide.
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Calcium
• Calcium has positive attributes such as getting rid of sulfur, carbon, and oxygen from alloys. It is also an important aspect to the water we drink. Without this element there would not be the removal of arsenic and animal waste in drinking water.
• A negative attribute to calcium would be if someone has taken in a lot of calcium more than needed, remaining calcium can be created into kidney stones.