Archive for the 'Chemistry' Category

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What is the highest possible oxidation state for molybdenum, Mo?

Monday, September 29th, 2008
That’s what she said ;D asked:


What is the highest possible oxidation state for molybdenum, Mo? and how do you determine this?

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What are cost effecient ways of doing chemical analysis of ferrous alloys in steel?

Thursday, September 18th, 2008
Usman K asked:


I would like to get information for the products (other than Spectrometer, and physical laboratory testing through reactions). available in market that allow to do a chemical analysis of mild steel. i would be interested in finding the following elements manganese, silicon, nickel, chromium, aluminium, molybdenum and copper. Also not forgetting the ‘impurities’ such as phosphorous and sulphur.

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What is the assigned oxidation state of molybdenum in indium molybdate?

Saturday, September 13th, 2008
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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what is the ground state electron configuration for Molybdenum?

Tuesday, September 9th, 2008
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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For 2.0 mole of the radioactive isotope molybdenum-99, half-life = 67 hours, how many disintegrations?

Wednesday, August 27th, 2008
Paul C asked:


have occurred after 17 minutes?

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What is Average Abundance means in copper and molybdenum?

Monday, August 25th, 2008
bienvinidou asked:


If copper is 0.17% and molybdenum is 398 ppm.

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Molybdenum?

Saturday, August 16th, 2008
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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Why does molybdenum have 6 valence electrons?

Saturday, August 16th, 2008
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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What is the nuclear equation for the formation of molybdenum-99 from stable molybdenum-98 bombardeded with neu

Thursday, August 14th, 2008
Adam asked:


bombarded with neutrons?

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How do you calculate the density of a body centered unit cell?

Tuesday, August 12th, 2008
Nikole S asked:


Ok so I keep coming up with a number that I am sure is way too small. 1.0282E-19g/cmcubed

The question is
When molybdenum crystallizes, it forms body-centered cubic cells. The unit cell edge length is 314.1 pm. Calculate the density of molybdenum. (Enter answer to three significant figures.)

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Posted in Chemistry | 3 Comments »

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