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What does a roman numeral tell you when it is written after an element

Calculate the molarity of each solution. 28.33 g c6h12o6 in 1.28 l of solution

4AI+30 2 > 2AI2O3 What id the chemical reaction?

State the chemical composition of the sterol that is present in high levels in most people who belong to the high-risk group.

If a piece of metal, such as calcium or magnesium, reacts with atmospheric oxygen, would you expect the product to have a greater or lesser mass than the reacting metal?

What conclusion can be drawn from the statement that an element has low electron affinity, low electronegativity, and a low ionization energy?

A scientist performs an experiment in which a radium-226 (Ra-226) atom decays into radon-222 (Rn-222). The scientist concludes that some energy must have been added to the system to cause this reaction to begin.

Which suitable method can be used to separate a mixture of sand and paraffin

How many vowels does the word love have

What is silicon used for? -matches -gunpowder -glass -steel can coating