Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
Please how can I calculate the number of neutrons in an atom, should I subtract the mass number from atomic number or atomic number from mass number....
Q1. Please how can I calculate the number of neutrons in an atom,
- should I subtract the mass number from atomic number or atomic number from mass number.
Q2. Does strontium, magnesium and calcium forms +2 ions?