An atom of fluorine has an atomic number of 9 and an atomic mass of 19. The atom contains

19 protons, 19 electrons, and 9 neutrons.
19 protons, 10 electrons, and 9 neutrons.
9 protons, 10 electrons, and 10 neutrons.
9 protons, 9 electrons, and 10 neutrons.

Question

An atom of fluorine has an atomic number of 9 and an atomic mass of 19. The atom contains
 	
	19 protons, 19 electrons, and 9 neutrons.
	19 protons, 10 electrons, and 9 neutrons.
	9 protons, 10 electrons, and 10 neutrons.
	9 protons, 9 electrons, and 10 neutrons.

superhelp101 · Answer

@sweetburger is the answer D???

superhelp101 · Answer

@GAzela1997

ipwnbunnies · Answer

Yesh, the answer is D. Idk why it says atomic mass, it should be mass number. It'll be the sum of protons and neutrons. Number of protons is always 9, so number of neutrons has to be 10.

superhelp101 · Answer

yay! thanks