2 stands for valency of ca ion
its +2
that it takes two electrons to complete its shell
Answer:
4Fe + 3O2 + 6H2O → 4Fe(OH)3
Explanation:
The chemical formula for rust is Fe2O3 and is commonly known as ferric oxide or iron oxide. The final product is a series of chemical reactions simplified below as- The rusting of the iron formula is simply 4Fe + 3O2 + 6H2O → 4Fe(OH)3. The rusting process requires both the elements of oxygen and water.
Answer:
All bases conduct electricity as they are good electrolytes. All bases turn red litmus paper into blue at the time of indication. Bases have a bitter taste with a soapy texture
Explanation:
hope this helps
Answer:
Sulfur
Explanation:
Sulfur has 16 valence electrons, as shown in the diagram.
Solids are tightly compacted
Liquids are medium
And gases are very spaced and floating around
