Molybdenum

buggy asked:


molybdenum_99(mo-90)has a half life of 66 hours. after 132 hours,how much of an initial sample of 10 ci of mo-99 would remain?.

a 10 ci
b 5ci
c
2.5ci
d
1.25ci

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ShanAnn B asked:


In (MoO )
2 4 3
The numbers are spaced half way below each element. I just can’t make the computer do that with this set-up

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nickname asked:


i said [Kr]5s2, 4d4. why is this wrong? explain this to me please?
AHHHHHH, i hate trick questions.
thanks though, it makes sense now.

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Eric asked:


Western North America has many copper and molybdenum ore deposits even though there are no subduction zones to produce them. How can this be explained in terms of plate tectonics?

Thanks.

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pikachu asked:


plzz help me i cant think of one, i need it for my project! thank you very much!

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Sam asked:


I’m looking for a Molybdenum Disulfide Dry Lubricant. All the ones I see at my hardware store just say that they include Molybdenum, but do not mention Molybdenum Disulfide on the product label or the MSD (Material saftey data sheet). Where can I find this? Specific product names / brands would be appreciated.
I’m looking for a Molybdenum Disulfide Dry Lubricant. All the ones I see at my hardware store just say that they include Molybdenum, but do not mention Molybdenum Disulfide on the product label or the MSD (Material saftey data sheet). Where can I find this? Specific product names / brands would be appreciated. I’m specifically looking for a DRY lubricant. One that spray or drips on, then drys, or one that is dry to begin with.

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Paul C asked:


have occurred after 17 minutes?

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bienvinidou asked:


If copper is 0.17% and molybdenum is 398 ppm.

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Tiki Tiki asked:


I have to do a report in science on Molybdenum, does anyone know anything about it? Any experts on the elements? Websites on Molybdenum aren’t very helpful, so, please help, it’s due in two days.

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Nikki asked:


I’m doing a report for science and everyplace I’ve checked says molybdenum has 6 valence electrons, but no one says why.

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