One possibility would be... purity
The 13 letter word is Contaminating - the act of making impure or unit for use
This is the melting point.
tungsten!
No. Only the first (or only) letter of chemical abbreviations (O in this case) needs capitalized, but not the names of chemicals when they are spelled out.
There are a number of elements in the Periodic Table of Elements which have names starting with the letter c. The letter C was already taken by the element carbon, an element which was known long before the discovery of cesium. So, Cs seemed like a reasonable abbreviation of the name cesium.
it is purify
it is purify
contaminating
Ice melting is a spring word. It begins with the letter i.
Fusion Melting = fusing
The 13 letter word is Contaminating - the act of making impure or unit for use
Aluminum and Arsenic are chemical elements. They begin with the letter A.
The Kelvin scale.
For example corrosive.
This is the melting point.
The word you're looking for is - weld.
The letter before the letter J is I; the letter after the letter J is K.