Calcium: A Chemical Element On The Periodic Table
Chemical compounds that are available to determine are CaCO3, CaCl2, Ca(NO3)2, mgCl2, MgSO4, KCl, HCl, HC2H3O2, KNO3, K2SO4, NaC2H3O2, Na2CO3, NaCl, Na2SO4, HNO3, H2SO4, HNO3, H2SO4, NH4Cl, (NH4)2SO4, K2CO3, 0.1 M AgNO3, 0.2 M BaCl, Mg(s), NaOH, and KOH. To start this experiment, start with the flame test by gathering a Bunsen burner and a Nichrome wire. Connect the Bunsen burner with a rubber tube to a laboratory gas. To prepare solutions for the flame test, weigh out 0.205 gram of Unknown Compound using an analytical balance and mixed it into a 140 mL beaker filled with 20 mL ionized water. Ensure that solid is completely dissolved using a stirring rod.
According to the observations recorded, the metal ion Cesium is present in the “unknown samples”. Unknown sample number five produced a violet color when placed in the flame. Unknown sample number four produced an orange color when placed in the flame. Unknown sample number one produced a violet color when placed in the flame. This evidence supports the claim that the metal ion Cesium is present in the unknown samples according to table two, the Flame Spectra of the Alkali and Alkaline-Earth Elements.
New elements continue to be added to the periodic table as science knowledge increases. In January of 2016, a news article reported elements with atomic numbers 113, 115, 117 and 118 as approved by the International Union of Pure and Applied Chemistry. These elements completed the seventh row of the periodic table. Isdell shows the concept that chemistry continues to expand when Julie names an element in the Land of Science that did not previously exist, Wendelium with the atomic symbol Wd (Isdell, 442).
Element 115 was found when a meteor hit earth and group 935 found it. Element 115 was extremely unstable element. It could power the Bell; Element 115 could reanimate dead cells or bring a dead person back to life. Element 115 is the reason we have Zombies in the first place.
Minerals 1. The minerals under the DRI for my age group would be calcium, potassium, sodium, copper ,iron, magnesium, phosphorous, selenium, and zinc. The mineral that comes below the DRI would be be potassium. However, it is not more than 80% below the DRI. However I did have a low potassium intake.
Copper is a chemical element with the symbol Cu and atomic number twenty-nine. It is also a solid at room temperature. Copper was most likely the first element ever manipulated by humans. In fact, humans discovered copper during the Paleolithic era. Copper was also very important during the copper and bronze age.
"Periodic Table of Elements." Periodic Table of Elements: Los Alamos National Laboratory. Department of Energy, 2016. Web. 25 June 2017.
Background Information In this lab KCl, NaCl, and a mixture of MgCl2 and NaCl are the independent variables that all lower the freezing point of water. Ice is used as the controlled variable because it is what the salts are lowering the freezing point of. Salt (Na) weakens intermolecular forces of water, thus lowering the the freezing point. This is why in colder climates where icy roads and walkways are a liability, salt is often scattered over areas that are slick with frozen water.
In the human body, the calcium is the most copious minerals. The calcium salts of bone are a significant mineral hold that keeps up the normal concentration of calcium and phosphate ions in the body fluid. Furthermore, the bones of the skeleton store energy as lipids
Plutonium, also known as Pu, is one of the many elements that are included on the legendary Period Table of Elements. It is the chemical element that holds the atomic number 94 and is a very dense, silvery, radioactive metal that can be found in the fuel in nuclear reactors as well as in explosives for nuclear fission weapons. But, recently Gregory R. Choppin Professor of Chemistry at Florida State University, Thomas Albrecht-Schmitt, has unlocked an amazing plutonium discovery providing evidence that plutonium (and other chemical elements) can offer so much more to our world! In fact, Thomas and his team have found that possibly, other than (or instead of) using Pu as a part of the world’s nuclear energy strategies, we can use it to help develop
The chemical is a silvery- white, nonmagnetic, ductile metal, that is used all throughout the universe. It’s also the third most abundant element , and the most abundant in the Earth’s crust. Aluminum was discovered in the Earth’s crust in the as early as 1787 and was called Alum, and the whole word “Aluminum” was completed by 1825. All of the Aluminum from the Earth’s crust was combined
The Romans used lead for just about everything they possibly could. It was used in cosmetics, jewelry, utensils, cooking pots, plumbing pipes (Powered By Osteons), seasoning for food, and as a wine preservative. It was even used for pigment in paint. “‘Crazy as a painter’ was an ancient catch phrase rooted in the demented behavior of lead-poisoned painters” (epa.gov).
Ceramics existed since 24000 BCE or even earlier. They are solid inorganic compounds made up of metallic and non-metallic elements. They are so prevalent now that they covered more than 80% of earth crust, which include cement, clay, diamond, gemstone, glass and electronic devices. One constituent of ceramics is the Chinese ceramics. It consists of low-temperature-fired ceramics (bricks and pottery) and high-temperature-fired ceramics (porcelain).
Lucas 1 Jennifer Lucas Professor Mealey CHEM 1305-008 07 August 2017 Sodium (Na) Sodium has an atomic number of 11 and an atomic mass of about 23. It has a symbol on the periodic table of Na. It is a silvery-white metal found under the alkaline metals. Sodium is the “sixth most common element on earth and makes up about 2.6% of earth’s crust,” (RSC 1).
Bronze is made of copper and tin. While copper is plentiful tin is not. To complicate matters the two metals are rarely found near each other, which is why trade during the Bronze Age was so important. Ancient metallurgists were forced to look for another source of metal due to the Bronze Age Collapse, as they no longer had tin to make bronze. Iron was not a new discovery; the Hittites had used iron since 2000 BC.
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