Periodic Table
The Periodic Table is a tabular arrangement of the elements in increasing order oftheir atomic numbers, so that elements with similar properties are in the same column. There are 18 columns, called groups, and seven rows, which are called periods, in the modern periodic table. Questions about the Periodic Table: its history and creation, trends, groups/families, and periods are asked in our Periodic Table category.
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AlijanaliNeon lights are usually with neon or other inert gases at a low pressure, where when voltage gets through they shine.
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Lithium is a soft, silverish-white Alkali metal.
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A neutral atom of sulfur has 16 electrons.
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Potassium, Lithium
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They're both gases, but other than that, not really much in common, at all.
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as far as i know aluminum is a molecule not an atom. The aluminum atom has a valence of 3, what its chemical structure is depends...
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The smallest class of the periodic table would be the semi-metals, or metalloids. The second biggest group would be the...
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Phase at Room Temperature: Solid Since sodium can ignite on contact with water, it must be stored in a moisture free environment.
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The atomic number. Look on the periodic table, the atomic numbers are the integers from 1 to 118.
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The Latin name for potassium is Kalium, hence the "K".
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Yes p s my booty's hangin out
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Neon has 2 electron shells
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Arsenic, which has an atomic weight of 74.9216.
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E?? Es = Einsteinium Er = Erbium Eu= Europium
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because it 's the lightest element in the periodic table. The amu is defined based on carbon-12, so all other isotopes of...
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Well there are metalloids in the periodic table too...The nonmetals are to the right of the staircase. The metalloids separate...
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Subatomic particles with no charges are neutrons
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• electrical conductivity- Electrical conductivity decreases going across the groups (ending after the transition metals as...
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182 I don't think there are compounds in the periodic table. As far as I know the periodic table contains only elements,...
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Na2S(aq) + ZnCl2(aq) --> 2NaCl(aq) + ZnS(s)
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Elements with more than 92 protons are called Transuranic elements.
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The group on the periodic table that generally has a 2- charge is the chalcogens. This is the group that contains oxygen, sulfur,...
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Atoms of the same element with different atomic masses are known as isotopes. Isotopes differ only by the number of neutrons...
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All the "noble" gases are in air: helium, neon, argon, krypton, xenon, radon.
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51SbAntimonyMetalloid[Kr] 4d10 5s2 5p352TeTelluriumMetalloid[Kr] 4d10 5s2 5p4
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Bohrium is very probable a solid metal.
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Same as Oxygen -- it's right there under it in the periodic system.
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no one can understand chemistry without it
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6.03% (daniel)
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Elements in group 18 form covalent bonds only, where atoms share electrons. Group 18's elements have a valence of 8, where only 8...
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[He].2s2.2p5
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Scandium is a transition metal; group 3, period 4 in the periodic table of Mendeleev.
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