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Question:

why does aluminium have a higher boiling point than sillicon?

It says in my chemistry book that aluminium has a higher boiling point than sillicon, but not why! please help :)

Answer:

maybe because more energy is used to weaken the strong covalent bonds in the silicon than in the metal where much of the heat energy is simply absorbed by the delocalised electrons (kinetic energy)So more energy is required to vapourise it.
3500 calories 1lbyou would have had to eaten an extra 15000 calories over the 2 days to gain 4 lbsthis is just fluid retentiongotta watch the sodium intakeall packaged food are high in sodiumeating fresh foods reduces fluid retentiondon't stop drinking waterthis flushes out the sodium
If your 4 lbs comes goes in matter of days then it is just water so it is not badAs long as you keep on exercising at least 3 x a week eat right (less carbs, sat fats, sugars, no junk food, no sodas)Remember it is your body measurements proportion that make you look good not your weightMuscle is a lot denser than fat (a box full of muscle weighs more than the same box full of fat)Depends on what exercise you do but if you built more muscle lost the same volume of fat you will gain weight but this doesn't mean you will look biggerSpecially if you are exercising regularly, you shouldn't be afraid of water in your bodyYou need water to replace whatever you lost during exerciseDon't take in too much salt from your food because salt causes water retention in your body.
Well, there's a few options for what it could beFor one, your weight can often fluctuate over the course of a few days from random things but if you weigh yourself only once a week you'll normally see a steady decline so you should really wait till thursday to see if you have gained weight or notThe other possibility is, yes, water weightIf it's a certain time of the month for you then it is very possibly that, so if you just wait the water weight will go awayOr there's always the possibility your scale is off and you could try to weigh yourself again just to make sure it's not a glitchI'm sure as long as you're following your diet well you should lose the weight and it probably is just a temporary gain.

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