Which ion has the same electron configuration as Potassium?

In chemical reactions that occur in nature, are atoms and mass conserved

Which substance can not be broken down by a chemical change? (1) ethane (3) silicon (2) propanone (4) water

There, then, is my list of life chemistries, spanning the temperature range from near red heat down to near absolute zero: 1. fluorosilicone in fluorosilicone 2. fluorocarbon in sulfur 3. nucleic acid/protein (O) in water 4.

Find the percent composition of each element in KMnO4

An aqueous solution contains 0.183 M ascorbic acid (H2C6H6O6) and 0.143 M hydroiodic acid. Calculate the ascorbate (C6H6O62-) ion concentration in this solution. [C6H6O62-]

Balance the following chemical equation: / text{CH}_ 4 + CH 4 + start text, C, H, end text, start subscript, 4, end subscript, plus / text{O}_ 2 / rightarrow 2 →start text, O, end text, start subscript, 2, end subscript, right arrow / text{CO}_2 +

How did the invention of the spectroscope in 1859 change the science of chemistry

Will zinc and sodium carbonate react?

What fraction of carbon 14 remains in an animal frozen in a glacier 18000 years ago?

How do you convert the number of molecules of a substance to the number of moles? a. add Avogardo's number b. subtract Avogardo's number c. multiply Avogardo's number d. devide Avogardo's number