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Q: What elements form two or more ions with different ionic charges potassium calcium fluorine iron or oxygen?
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Which of these elements has the largest atomic radius. Aluminum potassium fluorine. Calcium?

Potassium has the largest atomic radius. It is in the 1st group of the periodic table. Fluorine has the least atomic radius.


How is calcium different from potassium?

they are two completely different elements


What elements are in fluorite?

Calcium and fluorine


What elements in fluorite?

Calcium and fluorine


What elements make up the compound CaF2?

Calcium and fluorine


What are the scientific names of the first twenty elements?

There are metals and non metals in the first 20 elements. Also there are elements of Solid and gas states. These names are, Hydrogen,Helium,Lithium,Beryllium,Boron,Carbon,Nitrogen,Oxygen,Fluorine,Neon,Sodium.Magnesium,Aluminium,Silicon,Sulfur,Chlorine,Argon,Potassium,Calcium.


Why is the melting point of calcium higher than the melting point of potassium?

Every element is different. The atomic number of potassium is 19 and calcium's is 20. Potassium's atomic mass is 39.098 and calcium is 40.08. these two elements are very different. Potassium being an Alkaline Metal while calcium is an Alkaline Earth Metal. You might be thinking. Oh my goodness those are like the same thing, but actually they are very different. Potassium just happens to less dense than calcium.


What elements has the lowest electronegativity cessium helium calcium fluorine?

Helium


Which is more electonegative a fluorine atom or a calcium atom?

Fluorine, electronegativity increases up and to the right on a periodic table of elements.


What are the first 20 elements?

Hydrogen, Helium, Lithium, Beryllium, Boron, Carbon, Nitrogen, Oxygen, Fluorine, Neon, Sodium, Magnesium, Aluminum, Silicon, Phosphorus, Sulfur, Chlorine, Argon, Potassium, and Calcium.


What are the elements present in calcium hydrogen sulphate?

the 3 elements found in calcium sulfate are calcium,sulfur and oxygen


Is calcium potasium?

No. Since potassium is an element by itself, it does not have calcium in them. However, it could combine together to create potassium calcium (which is a vitamin). There are such things as a potassium calcium channel in a cell.