Physical Science

If you live in a larger home, chances are you’re paying quite the sum on a monthly basis to keep the current flowing to your home. In some parts of the country, it’s not uncommon to pay $100 a month…
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I was about 8 or so when I had my first ride in a UFO. Really. My family and I took off from Jacksonville and arrived in Detroit one horrible winter night with my Dad stuck in Florida with the…
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Stoichiometry: Basics and Calculations Stoichiometry can seem daunting to the beginning chemistry student, but is perhaps one of the most basic and simple concepts in any chemistry course. Stoichiometry refers to the fixed ratios in which substances react, and the…
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Niobium is an element that in its pure form is a dull grey ductile metal. In the periodic table, niobium has the symbol Nb and the atomic number 41, and is considered a paramagnetic metal in group 5 of table….
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Darmstadtium Symbol: Ds Atomic Number: 110 Atomic Mass: 281 amu (atomic mass units) Melting Point: Unknown Boiling Point: Unknown Number of Protons: 110 Number of Electrons: 110 Number of Neutrons: 171 Classification: Transition Metal (Man made) Crystal Structure: Unknown Density…
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Helium is colorless, odorless, and tasteless. It is inert, not reacting with any element, including itself, and so tiny that it is used to find microscopic leaks. How did we ever discover such an elusive element? Well, first we have…
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Helium is some really special stuff. All elements have properties which make them unique and in some cases extraordinary, but helium is an element with a whole list of exotic circumstances and notable effects. It is the second most abundant…
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Oxygen may be the most important element on Earth. Without Oxygen, there would be no life, no fire, no water and little decay. On the periodic table, Oxygen is atomic number 8 and has an atomic mass of 16. The…
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Though atoms are the building blocks of all matter, there are only three types of particles of which they are composed. The combinations of these particles determine the physical and chemical properties of atoms. The three varieties of particles are…
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Ernest Rutherford’s 1911 experiments with gold foil discovered that the atom’s positive charge is concentrated in one place – a nucleus, as we now know it. Although Rutherford did not personally conduct the experiment (his assistants, Ernest Marsden and Hans…
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