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Magnesium Parent: Kyle Preston.

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Presentation on theme: "Magnesium Parent: Kyle Preston."— Presentation transcript:

1 Magnesium Parent: Kyle Preston

2 The Birth First Born by Sir Humphry Davy Born in 1808

3 Physical Description Magnesium is a metal, it is actually an alkali-earth metal! Little Mag, has 12 protons, 12 neutrons, and 12 electrons Mg:

4 Properties Melting point: 650 degrees Celsius
Boiling point: 1090 degrees Celsius Specific heat: 1.05 kJ Density: at 239K – 1.738g/cm^3

5 Chemical Properties 2 valence electrons Oxidation number – 2
Reactivity – highly reactive Magnesium nitrate, Magnesium methoxide and Magnesium fluoride, are compounds of magnesium

6 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.

7 Radium Parent: Kyle Preston

8 The Birth Pierre and Marie Curie discovered Radium
Discovered December 26th 1948

9 Physical Description Radium is an Alkali – Earth Metal
Radium has 88 protons, and 138 neutrons, and 88 electrons Ra:

10 properties Melting point – 700 degrees Celsius
Boiling point – 1737 degrees Celsius Cubic Crystal Structure Density – at 293K – 5g/cm^3

11 Chemical Properties Valence Electrons – 2 Oxidation number – 2
Reactivity – highly reactive Compounds are: Radium Bromide, Radium chloride, and Radium Iodide

12 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; Strontium Guardian: Adair Crawford Birthplace: Date of Berth: 1790 Gender: Metal 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.

13 Barium By: Kelsey Nelson

14 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

15 More About Barium Lewis Dot Diagram Bohr Diagram

16 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

17 Chemical Features Valence number: 7 valence electrons Ions: +2
Maximum Oxidation Number: 2 Minimum Oxidation Number: 0 Compounds: Oxygen, Sulfur, and Tellurium

18 Positive Attributes In Humans: **Total Mass In Avg. 70kg human: 22 mg
Blood/mg dm-3: 0.068 Bone/p.p.m: 3-70 Liver/p.p.m: Muscle/p.p.m: 0.09 Daily Dietary Intake: mg **Total Mass In Avg. 70kg human: 22 mg USES: sparkplugs, vacuum tubes, fireworks, fluorescent lamps. Insoluble barium sulfate is used for body imaging

19 Negative Attributes Very flammable Highly poisonous.

20 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.

21 Beryllium Be Be Physical Properties Number of Protons: 4
Number of Electrons: 4 Density : g/cm Melting Point 1287 °C Boiling Point 2470 °C Specific Heat Capacity 1.82 J Thermal Conductivity 2.00 W/cm K Be Be

22 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).

23 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.

24 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.

25 Calcium Ca Ca 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 J/g°C Thermal Conductivity 2.00 W/cm K Ca Ca

26 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.

27 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.


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