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Briefly describe the nature of three types of intramolecular bonding and two types of intermolecular bonding (drawings encouraged)

The terms intra- and intermolecular bonding refers to bonds formed between atoms within molecules and between two or more molecules respectively. Intramolecular bonding would be: ionic, covalent and metallic...
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Magnesium is in Group 2 of the Periodic Table. It has a number of naturally occurring isotopes, including 24Mg and 26Mg. (a) (i) Explain, in terms of the subatomic particles in the atoms, why 24Mg and 26Mg are isotopes.

Both isotopes of magnesium have 12 protons as shown by Mg's proton number in the periodic table. By definition an isotope is an atom with the same number of protons but differs in its number of neutrons. As ...
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Answered by Lewis C. • Chemistry tutor
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How can I use an infrared spectrum with a mass spectrum to identify an unknown compound?

You’ll need to use both spectrums to pick out information and piece them together to identify the compound, similar to a puzzle. First, you could use the infrared spectrum to identify which functional groups...
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Answered by Vania M. • Chemistry tutor
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Why does lithium have a higher melting point than sodium

Melting point decreases going from lithium to sodium because sodium is lower down group one therefore it has a greater number of shells. A greater number of shells means a greater atomic radius - a greater s...
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Answered by Jim O. • Chemistry tutor
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Why is the bond angle in an amide ion smaller than the bond angle in a molecule of ammonia?

The nitrogen atom in both NH 3 and NH 2 - has 8 outer shell electrons. In NH 3 , 3 pairs of these electrons are used in covalent bonding to hydrogen atoms and the remaining 2 electrons exist as a lone pair. ...
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Answered by Anna G. • Chemistry tutor
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