The density would be 1.84 g/cm<span>³</span>
Answer:
chemical change
Explanation:
In chemical change , considerable amount of heat is used , hence a change in substance formed
The formula on the periodate table is Rb
The answer is 18.02 g/mol
The first one is correct cause first of all it's atomic number is 7 and second of all it's atomic mass is about 15
