Can't Judge a Powder B
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- robotarmy567
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Re: Can't Judge a Powder
Covalent bond have low polarity, and ionic bonds have high polarity
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Re: Can't Judge a Powder
Also, ionic bonds are created by electron sharing and covalent bonds are created by attractions between the electrons.
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Re: Can't Judge a Powder
Aren't those basically the same thing?asthedeer wrote:Also, ionic bonds are created by electron sharing and covalent bonds are created by attractions between the electrons.
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Re: Can't Judge a Powder
Unome wrote:Aren't those basically the same thing?asthedeer wrote:Also, ionic bonds are created by electron sharing and covalent bonds are created by attractions between the electrons.
Pretty sure that in ionic bonding the electrons are transferred, while in covalent bonds they are shared. EDIT http://chemwiki.ucdavis.edu/Theoretical_Chemistry/Chemical_Bonding/Covalent_Bonds_vs_Ionic_Bonds "Covalent bonds consist of pairs of electrons shared by two atoms" "If two atoms differ considerably in their electronegativity - as sodium and chloride do - then one of the atoms will lose its electron to the other atom. This results in a positively charged ion (cation) and negatively charged ion (anion). The bond between these two ions is called an ionic bond."
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Re: Can't Judge a Powder
The quotes are what I learned.c-trast wrote:Unome wrote:Aren't those basically the same thing?asthedeer wrote:Also, ionic bonds are created by electron sharing and covalent bonds are created by attractions between the electrons.Pretty sure that in ionic bonding the electrons are transferred, while in covalent bonds they are shared. EDIT http://chemwiki.ucdavis.edu/Theoretical_Chemistry/Chemical_Bonding/Covalent_Bonds_vs_Ionic_Bonds "Covalent bonds consist of pairs of electrons shared by two atoms" "If two atoms differ considerably in their electronegativity - as sodium and chloride do - then one of the atoms will lose its electron to the other atom. This results in a positively charged ion (cation) and negatively charged ion (anion). The bond between these two ions is called an ionic bond."
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Re: Can't Judge a Powder
Ionic bonds=electron donation (in simpler terms, the electron just "leaves" its original atom)Unome wrote:Aren't those basically the same thing?asthedeer wrote:Also, ionic bonds are created by electron sharing and covalent bonds are created by attractions between the electrons.
Covalent bonds=electron sharing (the atoms merge electron clouds so there are moments when the electron is part of both atoms at once)
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Re: Can't Judge a Powder
Hydrophobic - generally nonpolar substance; will not dissolve in water (for example, oil or permanent markers)MariaK wrote:Whats the difference between hydrophobic and hydrophilic?
Hydrophilic - generally polar and will dissolve in water (for example, alcohol or washable markers)
Soap is a funny thing in that it's both; one side of it is attracted to water molecules and the other side is not (and will instead stick to oils and such)
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