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Tommyb323

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Tommyb323

Size of the moon

if the moon were smaller than it is, total eclipses of the moon would occur? never less often than now as often more often
15:02 Fri 05th Jan 20071 answer, last by dundurn 19:52 Wed 14th Mar 2007
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Tommyb323

Earth's axis

if the earth's axis were less tilted what would happen to the temperatures during winter and summer?
19:56 Thu 04th Jan 20071 answer, last by pidgoe 22:39 Thu 22nd Mar 2007
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Tommyb323

x-Rays

an increase in the voltage applied to an x-ray tube causes an increase in the x-ray's: wavelength speed energy number
23:42 Wed 03rd Jan 20071 answer, last by topspin 21:02 Thu 22nd Mar 2007
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Tommyb323

Fusion Reactors

a possible fuel for fusion reactors is: ordinary hydrogen deuterium uranium alpha particles
23:41 Wed 03rd Jan 20071 answer, last by Cumaean 16:49 Tue 15th May 2007
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Tommyb323

Saturated Solution

a saturated solution contains: only ions only nonpolar molecules the maximum concentration of solute the maximum concentration of solvent
23:40 Wed 03rd Jan 20071 answer, last by Cumaean 16:50 Tue 15th May 2007
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Tommyb323

Excited state of atoms

which of the following events cannot raise an atom from its ground state to an excited state? spontaneous emission of a photon induced emission of a photon absorption of a photon a collision with...
23:38 Wed 03rd Jan 20071 answer, last by Rev. Green 11:24 Mon 21st Jul 2008
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Tommyb323

Elements

The largest number of elements are classed as: metals inert gases nonmetals liquids
23:36 Wed 03rd Jan 20071 answer, last by Cumaean 16:51 Tue 15th May 2007
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Tommyb323

Oxides

which of the following is not an oxide? CO2 SiO2 BaSO4 H2O
23:35 Wed 03rd Jan 20071 answer, last by bobbysmiles 23:19 Sun 11th Mar 2007
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Tommyb323

Covalent bond

the number of covalent bonds each carbon atom has in organic compounds is usually: 1 2 4 6
23:35 Wed 03rd Jan 20071 answer, last by dundurn 19:56 Wed 14th Mar 2007
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Tommyb323

Isotope of hydrogen

which of these are not an isotope of hydrogen: 1H0 1H1 2H1 3H1
23:33 Wed 03rd Jan 20071 answer, last by dynamicduo 22:38 Mon 09th Apr 2007
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Tommyb323

Electromagnetic waves

the electromagnetic waves emitted by a nucleus are called what?
23:32 Wed 03rd Jan 20071 answer, last by Cumaean 16:52 Tue 15th May 2007
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Tommyb323

science organic chemistry

The science of organic chemistry has what as its subject
23:31 Wed 03rd Jan 20071 answer, last by jab8a 18:35 Fri 23rd Mar 2007
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Tommyb323

Covalent Solids

the individual particles in a convalent solid are held together as a result of what?
23:30 Wed 03rd Jan 20071 answer, last by munkymanmatt 00:27 Wed 16th May 2007
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Tommyb323

Earth's rotation

If the earth were to revolve faster on its axis than it does today, what would happen to its shape?
17:07 Wed 03rd Jan 20074 answers, last by JudgeJ 11:36 Thu 04th Jan 2007

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