the mass number of fluorine (F) is 19
C. 19
D. Kinda simple, don’t think much explaining is needed.
The answer is 3.10 because it's still the same amount moles of iron.
Answer: Area of a Triangle Equals Base x Height / 3
Explanation: Hope this works
Due to the variables that each inquiry has, Scientific inquiry follows a path of questioning and testing a hypothesis, however this changes in response to specific details.