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My dad has just been sent home from a 4 month stay in the hospital. He's now on home health care, but not by a paid nurse...by my mother. He's on an IV and a feeding tube. They gave us a very limited supply of sodium chloride seeing as how he needs it for the IV and to clean out the feeding tube...so I was wondering if anybody can tell me how to make 0.9% sodium chloride. We need it to hold us over until his next check up date at the hospital when they will give us some more. Any help whatsoever will be VERY much appreciated!! Thanks so much!

The units of resistivity don't come out right.

10^-8 Ohm * m
or
m Ohm * cm

the 'm' should be a 'mu', but unfortunately they both look the same in the latin alphabet.

The Group 1 elements other than hydrogen are called the alkali metals. The Group 1 elements are:

• Hydrogen
• Lithium
• Sodium
• Potassium
• Rubidium
• Caesium
• Francium

The Group 1 metals are all highly reactive silvery metals that are so reactive to air and moisture that they must be stored under an inert atmosphere or oil. They are all soft and can be cut easily with a knife.

Hydrogen is usually placed at the top of the Group but is not a Group 1 metal.

The electronic configuration of the elements all consist of a lone s-electron outside an inner core of electron corresponding to the previous inert gas.

Scientists crossed a new frontier in exo-planet research just last year when, using the Hubble Space Telescope, they detected sodium by its characteristic orange colour in the atmosphere of a large alien world orbiting the star HD 209458. Perhaps we are seeing ETs street lighting from a distance?

Beginning in 2006, a new telescope, Kepler (approved recently by NASA) will monitor about 100,000 nearby stars, searching for the slight dimming that occurs when an orbiting planet blocks some of the parent star's light. Because Kepler will be sensitive enough to detect planets as small as Earth, this celestial survey will give scientists an idea of how common Earth-like planets are - and identify candidates for further study.

This space telescope will use a technique called interferometry to dramatically reduce the obscuring glare from the planet's parent star, allowing scientists to see the planet itself, and so perhaps be able to analyse the atmospheres of those planets - required to detect signs of life.

For more information see this this ar