Statue Of Liberty Research Papers

It was eventually discovered, however, that by blending copper with tin, one obtains a much harder metal: bronze. (Occasionally, other elements were used instead of tin.) Like agriculture, bronze technology radiated from Southwest Asia in all directions, taking roughly a thousand years to cover the entire east-west span of mainland Eurasia (from Britain to China).

But when they join with other atoms, like oxygen in the air, they form molecules. “In the year of 1837 and so forth, the pennies were made of copper, tin and zinc. Now, current

Protactinium (also known by its atomic symbol, Pa) is the 91st element on the periodic table. As you can tell by the atomic number, protactinium has 91 protons and 91 electrons. It also has 140 neutrons, and its mass is 213.03587 amu (atomic mass units). Also, Protactinium has a melting point of 2,854 degrees Fahrenheit, but its boiling point is so far unknown. Protactinium was discovered in 1917 by radiochemist Frederick Soddy with help from his partner, John Arnold Cranston, when they figured out how to stabilize it.

The volcano I pick was Mt Mauna Loa. This volcano has erupted about 32 times for the eruption of 1984. Mauna Loa is about 600,000- 1 million years old and hasn’t erupted as much as Kilauea and when it erupts it produces huge rivers of lava and threatens towns nearby. Mauna Loa is the second tallest volcano in the world. The elevation is 13,679 feet high.

Caroline Burns 159001444 Museum Assignment 2 2) Diabase was named in 1807 and is from Franklin, New Jersey. It was discovered in the late Hadean Era. Also known as black granite, diabase makes up countertops, but no fossils can be found in the rock. Minerals in diabase are magnetite, olivine, ilmenite, hornblende, biotite, and chlorite. Diabase is an igneous rock that forms from magma from a volcano eruption.

It is located in the Actinide metals section and also the F-block. Chemical Properties: Reaction with air: - When plutonium is exposed to air it begins to oxidise, it forms a yellowish-brown outer coat and begins to tarnish. Soluble in: - Hydrochloric acid Insoluble in: - Nitric acid - Concentrated hydrogen sulfide

Thus, Mars’s day is shorter than Venus’s day, but Mars’s year is far longer than Venus’s year. Other than the Moon and Venus, Mars is the third brightest object in the sky, often appearing as a red dot. Unlike Venus’s strong atmospheric pressure, Mars has a weak atmosphere, only 1% of the Earth. Unlike Venus, where the temperature is 900 degrees Fahrenheit, Mars is a chilly temperature of -85 degrees below zero. Mars has two satellites, unlike Venus who has no natural satellites.

("The Element Lead”) When I am in room temperature I am solid, but when it gets really hot out, about 327.46°C, I start to melt. Then, I even start to boil at 1749°C. My friends say that I am soft, ductile, and

Zinc I 'm here to tell you about an element. It 's an element called zinc and can be found on the periodic table if you want to look it up. It was discovered in 1746 in Germany by a man named Andreas Marggraf. There is evidence that it was used back in ancient time to make brass weapons, armor, and shields. This atom contains 30 protons and 30 electrons.

Neptune is one of the four “gas giants”. Like Jupiter, Saturn and Uranus, it is composed only of gas. They are a great ball of hydrogen and helium. Neptune is the third largest planet in the Solar System, much smaller than the real giants, Jupiter and Saturn, and only a little bigger than Uranus. Among the gas giants Neptune is the densest.

The purpose of this lab was to change pennies from copper to silver to gold, like alchemists have attempted to do in history. Through the data and observations gathered throughout this experiment, it can be concluded that the pennies were not changed into a different element. For example, the density of the penny from 2005; which was the penny that was experimented on to see whether or not it could turn into silver; was 4.62 g/cm3 before the experiment and 4.89 g/cm3 by the end of the experiment. If this copper penny really would have turned into silver, then the density of the penny would be 10.49 g/cm3; which is the density of silver; by the end of the experiment. The penny may have turned silver in color, but this was only because it was plated in the zinc that was added to the beaker of water in the experiment.

The percent recovery of the copper was calculated using the equation, percent recovery = (the mass of the copper recovered after all the chemical reactions/the initial mass of the copper) x 100. The amount of copper that was recovered was 0.32 grams and the initial mass of the copper was 0.46 grams. Using the equation, (0.32 grams/0.46 grams) x 100 equaled 69.56%. The amount of copper recovered was slightly over two-thirds of the initial amount.

The penny is the Unites States’ lowest denomination coin, and there are some people who believe it should be abolished. On the other hand, there are people who advocate for the penny to keep its place in our economy and I couldn't agree more. The penny may be annoying, but it plays an important role in our economy, is popular among most people, and is an important piece of symbolism. Some say that the penny is completely useless, and though it may seem that way, the penny is probably way more important than many people realize.

Why using a copper cup might be good for you As a little girl, I remember my granddad storing up drinks in a copper cup overnight and he would almost force us to drink from it first thing in the morning. He claimed that it was healthy for us to have a sip of the water he stored in there. That was some decades ago. For years I had not seen this cup until a few months ago.

The penny, serving as the United States' lowest denomination, should not be abolished. Pennies are often ignored, or regarded as inconsequential in the grand scheme of life. However, considering the ties between the public's perception of currency and their confidence in the American economic system, it is clear that the penny is indispensable. It is both a vital part of economic transactions and a reminder of American history. The penny represents the metaphorical golden age of the United States.