07-10-2013, 06:27 PM | #12091 | ||
Nameless Being
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Quote:
Quote:
Technetium is correct. Correct (also sometimes called Wolfram). |
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07-10-2013, 07:35 PM | #12092 |
Now what?
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Lowest boiling point = helium?
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07-10-2013, 08:31 PM | #12093 |
Banned
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What is white and sour...
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07-10-2013, 09:23 PM | #12094 |
Is that a sandwich?
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Other liquid elements are Francium and Cesium.
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07-10-2013, 09:28 PM | #12095 |
Is that a sandwich?
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Highest melting point- is it Carbon?
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07-11-2013, 12:21 AM | #12096 |
Man Who Stares at Books
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Highest melting pt- that stuff in light bulbs, tungsten
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07-11-2013, 06:34 AM | #12097 |
Nameless Being
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Correct
Cesium is correct Correct Correct, but Poohbear_nc was first. Element with highest melting point: Carbon [C] Fbone Element with lowest melting point: Helium [He] HomeInMyShoes Element with highest boiling point: Tungsten [W] Poohbear_nc Element with lowest boiling point : Helium [He] Poohbear_nc Elements that are liquid in normal temperature range: Mercury [Hg] HomeInMyShoes, Bromine [Br] HomeInMyShoes, Cesium [Cs] Fbone, ?, ?. What element of atomic number less than Uranium has no stable isotope and has never been found to occur naturally on Earth.: Technetium [Te] HomeInMyShoes Last edited by Hamlet53; 07-11-2013 at 09:49 PM. |
07-11-2013, 09:15 AM | #12098 |
Grand Sorcerer
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I'll hazard a guess that the lowest melting point is also Helium. Weird, I remember from high school chemistry that Cesium looked like rather powdery at room temperature and that it reacted violently with water.
Last edited by HomeInMyShoes; 07-11-2013 at 09:18 AM. |
07-11-2013, 09:20 AM | #12099 |
Grand Sorcerer
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07-11-2013, 09:48 PM | #12100 | |
Nameless Being
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Quote:
Helium is correct. The melting point is less than one degree Cover absolute zero. Yes Cs being an alkali metal reacts violently with water. It melts at a temperature of 38.4 C (83.2 F); really just a warm day. On additional investigation it would appear that Fbone's suggestion of Francium as a liquid element may be valid, it being a rare element with only radioactive isotopes there is not a precise value for the melting point. I was not considering any of the unstable elements so it was not on my list. Interesting piece of trivia. There are two elements that are named after the country of France, Francium and one the elements that are liquid at normal temperatures that has not been named yet. Not sure what if any significance there is to that. |
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07-12-2013, 07:04 AM | #12101 |
Nameless Being
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Well this has stalled I guess. The two liquid elements not mentioned are Gallium [Ga] and Rubidium [Rb]. HomeInMyShoes or Fbone are up.
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07-14-2013, 05:41 PM | #12102 |
Is that a sandwich?
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Here's one to restart:
If a small light oxygen tank were tied to a bird so that it can breathe on the moon, would the bird fly faster, slower or the same speed as it does on earth? (Remember that there is less gravity on the moon) |
07-14-2013, 08:51 PM | #12103 |
Bah, humbug!
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The bird wouldn't fly at all. The wings need air to work against. Superman flies on the moon, but no one knows how. What kind of propulsion system is he using? Those Kryptonian muscles must be pretty strong, and his air reserve immense, is all I have to say.
Last edited by WT Sharpe; 07-14-2013 at 08:55 PM. |
07-14-2013, 11:17 PM | #12104 |
Is that a sandwich?
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Correct. A bird cannot fly on the moon because there is no air to suspend it.
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07-24-2013, 05:48 PM | #12105 |
Is that a sandwich?
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Here's a brain teaser I guessed incorrectly. Can you get it right?
Where does Earth belong in the following astronomical series? Uranus, Jupiter, Neptune, Mars, Saturn, Venus, Mercury |
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