Fluorine is a non metal element. Mass number of it is 19.
if u mean in the nucleus of fluorine then you can figure this out for yourself... its really simple considering that the electrons are the decimals so really all you have to do is subtract the atomic number (9) from the atomic mass (18) on the periodic table... so here it is: 18-9=9
9 protons and 9 neutrons are present in F-18 atom
18
Giving a specific number of protons and neutrons specifies an isotope of an element. In this case, the isotope is the isotope of fluorine with an atomic mass of 19. Other isotopes of fluorine with different numbers of neutrons also exist, but are not nearly as common.
18
Fluorine
There is no element called 'flouorine', however there is one called fluorine. What is it's atomic mass? It depends how accurate you want the answer, for most of us 19.0 is accurate enough. Mike Slater 19.0 is inappropriate, given that .0 is a significant figure and will be assumed to be correct. 19 would be more appropriate, and 18.998 would be more accurate.
Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.
if u mean in the nucleus of fluorine then you can figure this out for yourself... its really simple considering that the electrons are the decimals so really all you have to do is subtract the atomic number (9) from the atomic mass (18) on the periodic table... so here it is: 18-9=9
Number of Neutrons = Atomic mass minus Atomic Number. Neutrons = 18[Atomic Mass] - 8[Atomic Number] Neutrons = 10
9 protons and 9 neutrons are present in F-18 atom
18
Giving a specific number of protons and neutrons specifies an isotope of an element. In this case, the isotope is the isotope of fluorine with an atomic mass of 19. Other isotopes of fluorine with different numbers of neutrons also exist, but are not nearly as common.
18
Almost all fluorine isotopes are Fluorine-19, which have 10 neutrons. Only trace amounts of Fluorine-18 can be found in nature.
Argon is a non metal element. Atomic number of it is 18.
ARGON has 18 electrons, with an atomic number of 18 and an Atomic Mass of 40. It has 22 neutrons, is considered a Nobel gas, in that it is inert under most conditions, and is colorless.