Answer:
Iodine has an atomic number of 53 meaning 53 electrons and it gain 1 electron when reacting with a metal. We know the element is a non metal as is gains an electron
Answer:
No heat is released.
Explanation:
A substance absorbs heat when it melts.
The formula for the heat absorbed is

Data:
m = 10 g
\Delta_{fus) H=\text{334 J/g}
Calculations:

The ball will float as it’s density is less than the salt water.
C. Oxidized and reduced are the same.
A compound is two or more chemically combined elements. Fore example NaCl, CO2, H2O