Elements and Compounds
Questions about the properties and characteristics of elements as observed in nature and in compounds. Chemical formulas are also converted to and from symbols in covalent or ionic bonds. All the questions you want to ask about the elements and the compounds they form.
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added What are the chemical formulas for each of the halogen molecules to Elements and Compounds 27 May 2012 10:37
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added Is KCl covalent or ionic compound to Elements and Compounds 27 May 2012 08:15
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No KBr is ionic as are all potassium (K) compounds.
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Rock salt. Sodium is then extracted by molten salt electrolysis, which also produces large amounts of chlorine gas.Table salt...
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94 protons and 94 neutrons
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Mercury II chlorite is Hg(ClO2)2
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Protons and Electrons The number of protons in an element is always the same as the atomic number, which is just 1 in this case....
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Is may be written (aq), meaning aqueous, beside the chemical formula. Example = NaOH(aq) + Zn ---> Na2Zn(OH)4 + H2 This...
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It can be, if it is 100% pure. (Technically speaking, this is a difficult thing to do, in practice, because minute impurities...
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A hydrogen bond occurs when a hydrogen atom from one molecule is attracted to an atom (usually oxygen) of another molecule. ...
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Ionic bonds are generally solids, with high melting and boiling points. They form crystals, are soluble in water, and only...
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The active ingredient of Ritalin (immediate and extended release forms) is a racemic mixture of dextro--methylphenidate and...
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Quartz is not an element but a natural mineral (silocon dioxide, SiO2). Quartz can be obtained also in industry.
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NH4Br one atom of nitrogen three atoms of hydrogen one atom of bromine five atoms in all
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It is a mixture!! the atoms/elements are not chemically joined
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No , oxygen is inorganic molecule .
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carbon 12
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In water? Yes.Normally sulfides would be insoluble in aqueous solutions, EXCEPT when they are combined with an element in group...
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[Ag(NH3)2]NO3(aq)
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The bond between the sodium ion (Na+) and the bicarbonate ion (HCO3-) is ionic. The negative charge on bicarbonate ion is...
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Electrolysis: decomposition of a chemical compound with the of electrical current.
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In excess Oxygen, C + O2 -----> CO2 If there's a lack of Oxygen, 2C + O2 -----> 2CO
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1,36 moles C5H12 (12 moles H/1 mole C5H12)(6.022 X 10^23/1 mole H) = 9.83 X 10^24 atoms of hydrogen
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0.08 grams × (12.0-1 mol/gram) × (6.02 × 1023 atoms/mol) = 4.01 × 1021 atoms C
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it depends on the hydrocarbon itself as this name is given to a broad group of compounds , propane , methane ect are all...
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Technically it is a covalent bond (because there are two nonmetals), but phosphate is classified as a polyatomic ion.
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Four, in one formula unit: the three indicated by the H3 part of the formula plus the one from the OH part.
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Bromine can be used as an bleaching agent but commercially available bleach usually contains Sodium hypochlorite (NaClO)
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Each mol (of any substance) is 6.022*10+23 molecules, and each molecule HNO3 has 4 atoms, so you'll find the answer by...
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11 atoms of oxygen, a total of near 50% of the mass of lactose.
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It depends only on the pressureThe only factor that determines the boiling point of water at any altitude is the barometric...
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Phosphate is an ion with the formula PO43-. The 3- indicates the charge on the ion. This ion consists of the pnonmetals...
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108Sn+2
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No sulfur and fluorine are both nonmetals so they would join with covalent bonds
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Ionic, a metal plus a non-metal always makes an ionic compound.
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Tellurium is radioactive, though there are stable isotopes. The radioactive isotopes found in nature account for more than two...
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BeO is not an element, it is a compound. It is called beryllium oxide and contains the two elements beryllium and oxygen.
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Carbon, hydrogen, and oxygen.
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Periodic acid is HIO4 or H5IO6. The name is not derived from "period", but from "iodine": per-iodic acid (compare iodic acid,...
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Bromine is indeed a diatomic element, but bromide is the ion, so it can be made of just one charged atom.
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Covalent bonds do not "make up" anything; they merely hold the atoms that carry the mass of the substance together. If the...
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SO3 is a covalent compound, not ionic. It is called sulfur trioxide.
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Before writing a chemical reaction, you must know a few things. You must know what the reactants are, and what the molecular...
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Tin dioxide is the inorganic compound with the formula SnO2. (Stannic oxide and Sn(IV) oxide or 'Flowers of tin' are other...
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Sort of, though the term "chemical formula" is more accurate for describing compound molecular or otherwise.
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Granite is a type of a igneous rock (its made of magma, it came from inside of a volcano). Granite bedrock is a sort of furniture...
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Flour isn't even a element. So there is no atomic number.
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Na2C2O4 (sodium oxalate) is a crystalline white solid.
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The atomic number of Copper (Cu) is 29.0. See the Web Links for more information about copper to the left of this answer.
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-kool-aid -soap (depends what type) -jell-o -garden soil -ice tea -green ink -steel -cup of coffee -cough medicine ...
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A chemical formula for the compound.
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Magnesite or magnesium carbonate is use for insulation.
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Its just rusting and burning.
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Two atoms are walking down the sidewalk and one says to the other: "I think I'm an ion." The other one asks: "Are you sure?" ...
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Since dimes are metal, ductility, malleability and luster.
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Ba(OH)2 1 atom of barium 2 atoms of oxygen 2 atoms of hydrogen -------------------------------+ 5 atoms in all.
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Yes. Dextrose does not dissociate in water, and therefore does not release ions.
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It forms a precipitate with chloride: Ag+aq + Cl-aq --> AgCl precip.solid Because silver chloride (AgCl) is formed as a...
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CuCl2 is an ionic compund as it contains a non-metal element and a metal element.Copper (Cu) becomes a positive ion- it looses 2...
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Bohr's model of the atom explains the reactivity of group 1 metals, as it applies the rule that electrons are in fixed orbits,...
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Cu(HSO3)2
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Yes, 1H (Hydrogen-1), the most common isotope of hydrogen has a single protons and no neutrons.
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+6 This compound has dichromate in it (Cr2O7-2). Oxygen almost always has an oxidation state of -2, which means the total charge...
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Inroganic compound as it is frozen water (H2O)
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This gas is the dinitrogen oxide (syn.: nitrous oxide) with the chemical formula N2O.
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Isotopes Atoms have protons and neutrons in the nucleus and electrons in the shells.The number of protons = the number...
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If the name of the polyatomic ion ends in -ate change the ending to -ic acid. Examples: acetate --> acetic acid, perchlorate...
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it means a load of crappy smelling stuff is released
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because the outermost energy level has 8 electrons
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It depends on the number of moles of water 1 mole of water is 18 grams and in every 1 mole of a substance it contains 6.02*10^23...
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KI is the correct chemical formula for Potassium iodide.
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Generally the elements become more dense as you move down the periodic table. Consider the halogens and the alkali metals for...
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