Answer: amu
Explanation: it stands for atomic mass unit and it is the measurement that’s used to measure the mass of atoms
I'd say he ways about 35 kilograms, but I'm probably wrong, xD
Answer:
9 protons, 10 neutrons, and 9 electrons.
Explanation:
The particles of the nucleus of an atom of Fluorine-19 is
9 protons, 10 neutrons, and 9 electrons.