Why is Potassium in French and English not called Kalium?
The symbol from the periodic table for Potassium is "K". This fits my native language (dutch), where Potassium is called "Kalium". The same question applies to Sodium (Na), which again in Dutch is ...
Is there a difference between potassium manganate and …
Is potassium manganate the same as potassium permanganate? Also, I have seen potassium manganate written as potassium manganate (VII) or potassium manganate (VI). What do the roman numerals stan...
Why does calcium phosphate dissolve at low pH
Apr 15, 2019 · Why does calcium phosphate dissolve at low pH? What makes its solubility pH dependent? This question arises after reading about the calcium phosphate bridges in casein micelles and how they 'break apart' at a pH below 6, such …
How does pH affect the rate that CaCO3 dissolves in freshwater?
Sep 8, 2022 · It is my understanding that calcium carbonate dissolves faster in lower pH environments. I am interested to know how higher PH levels affect the rate of dissolution. So I have broken this question ...
Why sodium and calcium swapped their positions in …
Jun 2, 2022 · According to metal reactivity series, Na is more reactive than Ca. But according to the electrochemical series, Ca is a stronger reducing agent than Na. Why is that?
Wavelengths of colors emitted by alkali metals during flame test
Nov 2, 2022 · While reading my NCERT chemistry book (Page number 300), I came across a table that mentions colors emitted by alkali metals and corresponding wavelengths. It mentions that Potassium emits a violet
How to dissolve chalk (CaCO3)? - Chemistry Stack Exchange
Mar 14, 2017 · I've read that vinegar can dissolve $\\ce{CaCO3}$, I know that extreme heat can decompose it, but how to dissolve $\\ce{CaCO3}$ at home? I need to dissolve chalk in my home because of repairing somet...
inorganic chemistry - Help balancing reaction between Iron (II ...
Very rusty with chemistry and looking to review some basics. Came across the following: Iron(II) chloride and potassium phosphate react. Write and balance the molecular, ionic, and net ionic equa...
Why do the names of most chemical elements end with -um or
Dec 28, 2012 · The names sodium and potassium were changed to natrium and kalium. All metallic elements discovered after this date (1811 1811) have been given names ending in - ium (occasionally - um).
Sublimation of Iodine - Chemistry Stack Exchange
Sep 16, 2015 · Why does iodine sublime? I have researched it myself and I have got the same answer; it sublimes because it directly converts from solid to gas. But why don't bromine or chlorine also sublime?