Lithium -Don’t li when talkin bout the elements‚ just say the truth. Hg Mercury -Mercury don’t wanna be hugged‚ give it a break and take away “u.” Ni Nickel -No one wants to buy a pickle for a nickel including me‚ but Ni might. He Helium -He sells Helium while eating a hot dog. B Boron -You might be a moron‚ but Bohr wasn’t‚ nor was he bored‚ but for some reason there’s an element called Boron and its symbol is a “B.” Co Cobalt -Corn on the cob is very different from cobalt
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periodic table. It gets its name because of its chemical inertness and comes from the Greek root ‘Argo‚’ which means lazy. This is because Argon doesn’t react well with other elements. The atomic number of Argon is 18 making it a member of the helium group of elements which are also called noble‚ or inert‚ gasses and are non reactive. Its electronic configuration is: 1s2 2s2 2p6 3s2 3p6 The outermost shell‚ shell number three‚ has a completely filled octet‚ therefore is quite stable. Thus
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MATTER AND CHANGE Name _____________________________________ PRACTICE PROBLEMS Period _________________ Date ______________ SECTION 2.1 MATTER 1. Which of the following is not a physical change? a. dissolving sugar in water b. burning gasoline in an engine c. evaporating sea water to obtain salt d. slicing a piece of bread 2. Which of the following is not a property of a gas? a. has a definite shape b. has no definite volume c. assumes the shape of
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According to most astrophysicists‚ all the matter found in the universe today -- including the matter in people‚ plants‚ animals‚ the earth‚ stars‚ and galaxies -- was created at the very first moment of time‚ thought to be about 13 billion years ago. The universe began‚ scientists believe‚ with every speck of its energy jammed into a very tiny point. This extremely dense point exploded with unimaginable force‚ creating matter and propelling it outward to make the billions of galaxies of our vast
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Today‚ science is everywhere in our world. From backyard science projects to launching rockets into space‚ science is a hard thing to avoid. Today‚ science is used in many important things‚ but the periodic table of elements is among one of the most important discoveries yet. It proves that our earth and galaxy are made of elements and that they aren’t just piles of nothing. Without the elements there would literally be nothing and the galaxy wouldn’t exist. Also‚ science helps us figure out and
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The Sun The sun is the largest object in the solar system. It is a middle-sized star and there are many other stars out in the universe just like it. Even though it is only a middle-sized star it is large enough to hold over 1 million Earth ’s inside if it were hollow. The temperature on the sun is far too much for any living thing to bear. On the surface it is 10‚000 degrees Fahrenheit and the core is a stunning 27‚000‚000 degrees Fahrenheit. But don ’t worry we are over 90‚000 million
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Einstein is the concept of a Bose gas‚ governed by Bose–Einstein statistics‚ which describes the statistical distribution of identical particles with integer spin‚ now known as bosons. Bosonic particles‚ which include the photon as well as atoms such as helium-4‚ are allowed to share quantum states with each other. Einstein demonstrated that cooling bosonic atoms to a very low temperature would cause them to fall (or "condense") into the lowest accessible quantum state‚ resulting in a new form of matter
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diameter of 10-8 cm. Every single object is composed of atoms. Our body is made up of many‚ many individual atoms. There are also many different types of atom. These different types are called elements. Examples of some elements are hydrogen‚ oxygen‚ and helium. Under normal conditions many atoms can stick together to form larger‚ different stuff. Scientists call material that results from the joining of different types of atoms "compounds". Atoms are not the smallest things there but are made up of still
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CHAPTER 2 REVIEW Geocentric:earth centered-aristotle- greeks Heliocentric-sun centered-copernicus Retrogade motion - Apparent backwards motion of planets Parallax-earth goes around the sun‚stars(background). Appears to shift. Cant be measured‚ so far away. Kepler’s Law (1&3)- Ist orbit are ellipses ‚ 3rd mass of the star‚ solar masses/ distance from the star. The idealized scientific methodBased on proposing and testing hypothensis Hypothesis -educated guess (Book and Paper demo) Hallmarks
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1. Our solar system is made up of the sun and everything that travels around it. This includes eight planets and their natural satellites such as Earth’s moon; dwarf planets such as Pluto and Ceres; asteroids; comets and meteoroids 2. The sun is the center of our solar system. It contains almost all of the mass in our solar system and exerts a tremendous gravitational pull on planets and other bodies. 3. Our solar system formed about 4.6 billion years ago. 4. The four planets closest to the Sun
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