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 What is the prosess of pear gold to a product to Elements and Compounds 27 May 2012 10:27
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added PLZ HELP. Can you describe fully two ways in which isotopes of the same atom are similar to Elements and Compounds 27 May 2012 10:07
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added Is KCl covalent or ionic compound to Elements and Compounds 27 May 2012 08:15
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write a equation in words to show the relation between mass concentration,molar concentration and molar mass and give a short...
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how many atoma are in a sulgur moleculethat has the elemental formula s8?
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the positive plate is Pb the negative is PbO2 and the acid is H2SO4.
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haha dont tell me you go to grand ledge? here compliments of...
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2-methylcyclohexanol---> 1-methylcyclohexene+ 3-methylcyclohexene + methylenecyclohexane 1-methylcyclohexene is the main...
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non ploar covalent bond
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The formula for heating ammonia is: NH4OH yields NH3 + H2O
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It is the covalent bond.
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Advantages of using sulphate resisting cement, It is used in marine construction Used in foundations and basements where soil...
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.......there is no visible reaction.......because citric is an acid, it will dissociate - the hydrogen atom on the acid group...
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liquid liquid
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calcium + copper sulphate = calcium sulphate + copper hydroxide
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The atoms or molecules of a gas will increase in kinetic energy when that gas is heated. Those atoms or molecules will exhibit an...
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Any of the elements in Group 0 of the Periodic Table (exc. Radon) are highly unreactive and so, won't react with any elements....
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Feldspar
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Feldspar
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Anhydrous sodium acetate is added to buffer the phenylhydrazine HCl so that it may function...
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A covalent bond is a form of chemical bonding that is characterized by the sharing of pairs of electrons between atoms, or...
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zn + pb +(NO3)2 = Zn (NO3)2+pb i think this is the answer...Added: Well, it is NOT entirely: correct one is: Zn + Pb(NO3)2...
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spherical packaged structures
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a metal is a very distict type of clothing worn by the Eythonininas. people usually dont wear anything there. for weddings,...
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2AgNO3(aq)+FeI2(aq)------>2AgI(s)+Fe(NO3… precipitate:AgI Mohammad Rafi Hamidi CMU studen
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Fats are more reduced than carbohydrates, therefore there is more oxidation that occurs in the breakdown of fats, and hence, more...
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yes *Why? I need more than just yes. Tell why.** ok ok ok its not always a sign that there is a reaction but in most cases it...
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the ionic charge of sulfur is -2.
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Yes
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non polar covalent
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It is not actually important, because free radical oxidation is very harmful. It is sort of part of a process of the human body,...
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Silver nitrate + Potassium iodide ----> Silver iodide + Potassium nitrate AgNO3 + KI ----> AgI + KNO3
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The oxidation number of sodium is +1. It is in the first group, which means it has one valence electron. In a reaction, it wants...
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The radical group HCO3 or a compound, such as sodium bicarbonate, containing it. Bicarbonate is an...
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When one element is combined with another element, a chemical compound results. The elements are chemically bonded together to...
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Hiroshima and Nagasaki
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Gold is a metal and so its bonding is via 'Sea of Electrons'.This is not perfectly ionic nor perfectly covalent. Rather, the...
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At room temperature beryllium is a solid metal.
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The outermost layer of Earth is the crust, then going inward in order are the lithosphere, asthenosphere, lower mantle, outer...
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CH is the chemical formula
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It tells what elements are in a compound and the number of each type of atom in each molecule/formula unit.
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Ch4 + 2o2 --> co2 + 2h2o
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A binary molecule is a molecule consisting of only two elements.
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Sodium, symbol Na, has an atomic number and is number eleven on the periodic table of elements. Therefore, sodium has eleven...
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Silicon
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When we look at the atomic structure of helium, we see an atom with a pair of protons in its nucleus (along with some neutrons),...
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Calcium acetate is Ca(CH3COO)2 It is composed of the ions Ca2+ and (CH3COO)-
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Radium was discovered by Marie Curie, Pierre Curie and Gustave Bemont in 1898 (France).
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Aurum is gold, a metallic element with yellow, shiny colour.It is number 79 in periodic table.It is also one of the most...
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Valence electrons are the outermost electrons. If you look at the periodic table, d- and f-orbitals always fill after s- and p-...
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yes it is!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Compound, it has 2 elements in it.
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25 mg to mmol A2: The unit for formula weight is g/mol. If you want mg/mmol, you need to mutiply by 1000.
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Because it undergoes thermal decomposition. If you give heat to Copper (II) carbonate, it will decompose to form Copper (II)...
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nitrogen (IV)oxide and Sulphur (IV)oxide.
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The electron configuration of thorium is [Rn]6d27s2.
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Baking soda (sodium bicarbonate) is an ionic compound.
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haha, u thought u were gunna get the answer huh, too bad, read yo science books.... hehehe
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There are 92 elements that exist in nature*. Every heavier element has decayed before our time. Of course, there are more...
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Oxygen and hydrogen are the elements that make the water in the sea! There are many other trace elements. Sodium, Chlorine,...
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open sourece cellular\ and image analysis software
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Your mom's vagina, it was discovered when she queefed.
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im trying to find that out right now to!
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Actually, the answer Cu(NO3)+2 is incorrect for cuprous nitrate. Cu(NO3)+2 is in fact cupric nitrate. Cuprous nitrate is...
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In solid state at normal temperature the don't react with each other because both have the stable crystal structures but in...
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A molecule made of many repeating parts is known as a polymer.
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metallic bond said very similar to covalent bond because the bond both just attracted to its element.In covalent the attraction...
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- I would say that Magnesim Cloride is a ionic compound because it contains both a metal and a non-metal. Also, because it ends...
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go to wikipedia.com and type in engine combustion and also go to youtube.com type in same
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It starts off when a Mummy and a Daddy have a special hug, the birds and the bees then come and take photos. After which the...
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because gravity pulls different masses together.
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It is diatomic. Being radioactive, and its most stable isotope having a half life of 8.3 hours, it is usually not considered.
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Metallic: melting point @ 63, boiling point @ 760, properties: soft, silvery, solid, and conductor as a solid. Covalent: melting...
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For a start, it's very poisonous.
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The symbol of ununoctium is Uuo.
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Unsaturated hydrocarbons burn wih a luminous smoky flame. (unsaturated hydrocarbons are simply carbons with multiple bonds. they...
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This is a copy of a summer project that I did for my school on why Truman should not have dropped the bomb, which I hope answers...
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Elemental gallium does not occur in nature, but as the gallium(III) salt in trace amounts in bauxite and zinc ores. Its abundance...
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The modern periodic table is based on the periodic law, which states that physical and chemical properties of the elements are a...
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