Answer:
a.) It is a chemical reaction because a new substance was formed and a colour change occurred in the reaction.
b.) Iron- Metallic element
sulpher- Non-Metalic element
Iron Sulphide- Compound
HOPE IT HELPS....
I'm taking this lesson now, so imma help u ( if u need anything else ask me)
so given Molar mass= 32 g/mol
molar mass= (empirical formula) n
32 = (14x1 + 2x1) n
32 = 16 n , so n= 2
so, molecular formula= N2H4
Answer:
Prophase
Explanation:
During prophase, the chromosomes condense, the nucleolus disappears, and the nuclear envelope breaks down.
The correct answer to your question is B,, make the solute particles smaller.
let me know if you have any further questions
:)
The best and the most correct answer among the choices provided by the question is the third choice. The ion that would represent the element from Group 1A is Z+. I hope my answer has come to your help. God bless and have a nice day ahead!