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Two protons can exist together in the nucleus of an atom because their electrostatic repulsion is overcome by what forces?
You will probably get a much better answer in the Physics section, because the strong nuclear force is something about which most chemists (and me) don't have much of an...
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A chemical compound requires 8 ounces of Chemical A and 12 ounces of Chemical B. A mixture contains 24 ounces of Chemical A and 30 ounces of Chemical B. How can you fix the mixture to make the chemical compound?
Since 8x3=24 and since 12x3=36 you need to add 6oz of chemical B to have 24oz of chemical A and 36oz of chemical B. Take 1/3 of the total mixture...
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In terms of chemical bonds and electrons, what kinds of changes occur between atoms when substances undergo chemical reactions?
A chemical bond is typically described as the superposition of 2 electrons, which form a region of HIGH electron density between neighbouring nuclei. Because atomic nuclei are strongly positively charged,...
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Why are ionic bonds stronger than covalent bonds?
Ionic bonds are stronger than covalent bonds due to following reasons - Ionic bonds result from the mutual attraction between oppositely charged ions while a Covalent Bond is a...
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Explain why the metallic bonds in some metals are stronger than bonds in other metals?
accounts for the physical properties of metals: malleability; ductility; electrical and thermal conductivity; lustre. Some metals have more to contribute to the metallic network. The alkali metals...
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Are pi bonds stronger than sigma bonds?
No, are stronger than because the pair of electrons is localised, on average, closer to the nuclei of the bonded atoms. The covalent bond is an electrostatic attraction between the...
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In a action, if the bonds in the reactants are stronger than the bonds in the product, what type of reaction is it?
For our earliest exposure to physical chemistry, we are told that the formation of bonds releases energy, whereas the breaking of bonds requires energy. The balance between bond-making and bond-breaking...
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Which option contains a $2*g$ mass of sodium atoms....
$1.$ $5.24xx10^22*"sodium atoms?"$
$2.$ $6.022xx10^24*"sodium atoms?"$
$3.$ $3.12xx10^23*"sodium atoms?"$
$4.$ $5.24xx10^22*"sodium atoms?"$
We know that $1*mol$ contains $6.022xx10^23$ individual sodium atoms, and has a mass of $22.99*g$. And thus for $1.$ there is a $2*g$ mass of $Na$. For $2.$ there is...
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Are network covalent bonds STRONGER than ionic bonds?
Both network covalent solids, and ionic solids ARE non-molecular, and are therefore expected to have elevated melting points with respect to molecular species. Let's compare the melting points of $NaCl$...
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Which are stronger bonds, ionic bonds or intermolecular forces? Which have higher melting points, ionic compounds or molecular compounds?
Ionic compounds are inherently non-molecular. Each cation is electrostatically ATTRACTED to EVERY other anion in the crystal. Of course, each cation is electrostatically REPELLED by EVERY other cation in the...
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