Answer:
bromine (Br)
Explanation: Iron enters into a reaction with substances of different classes, and interacts with oxygen, carbon, phosphorus, halogens (bromine, iodine, fluorine and chlorine), and also nitrogen. These are not all the reactions of iron – this metal reacts with many elements.
Answer:
A is the coorrecct answuer
Explanation:
Answer is B can you like btw??
Answer:
.....is called nucleus which have a positive charge the positive charge in the nucleus is balanced by the negative electrons making an atom neutral
Yep. And you'll always get equations with units that don't match