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Alexus [3.1K]
3 years ago
11

this element is the only element that is shiny, mallable, and a good conductor of heat and electricity. it has a higher number a

tomic number than cesium but lower than radon​
Chemistry
1 answer:
Ainat [17]3 years ago
3 0
I do not have my reference table out to see the periodic table but in order to achieve the answer pull out the periodic table. You now know that this element is going to be a metal because it is a good conductor of electric and is malleable. Next you will find both cesium and radon and look in between them to see which one is a metal that has an atomic number that lies between both radon and cesium
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Noble Gases (18): (Name all noble gases)
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Answer :

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  • One noble gas was discovered on the sun. It’s spectrum was identify first. This is Helium, He.
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3 0
3 years ago
Is wine a homogenous mixure
Fiesta28 [93]

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4 0
3 years ago
Im hella confused and need some help
tatiyna
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8 0
3 years ago
How would you prepare 100 ml of 0.4 M MgSO4 from a stock solution of 2 M MgSO4?
miss Akunina [59]
OK, so to answer this question, you will simply use the molality equation which is as follows:
<span>M1V1 = M2V2 
In the givens you have:
M1 = 2M
V1 is the unknown
M2 = 0.4M
V2 = 100 ml

</span>plug in the givens in the above equation:
<span>2 x V1 = 0.4 x 100 
</span>therefore:
V1 = 20 ml

Based on this: you should take 20 ml of the 2 M solution and make volume exactly 100 ml in a volumetric flask by diluting in water.

7 0
3 years ago
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