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Fluorine is a non metal element. Mass number of it is 19.

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What element has the atomic mass 18?

Fluorine


What is the average atomic mass of 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.


What is the atomic notation for fluorine?

The atomic notation for fluorine is F. It has an atomic number of 9, which means it has 9 protons in its nucleus.


What is the isotope symbol for fluorine with 9 neutrons?

The isotope symbol for fluorine with 9 neutrons is ^18F, where 18 is the atomic mass number (protons + neutrons) and F is the chemical symbol for fluorine.


What is the 18 element in the periodic table?

Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.


How many neutrons are in the nucleus for fluorine?

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


How many proton and neutron does fluorine-18 has in its nucleus?

9 protons and 9 neutrons are present in F-18 atom


Mass number of most common isotope of fluorine?

Almost all fluorine isotopes are Fluorine-19, which have 10 neutrons. Only trace amounts of Fluorine-18 can be found in nature.


What is the atomic and mass number of argon?

The atomic number of argon is 18, which means it has 18 protons in its nucleus. The mass number of argon is 40, which is the sum of protons and neutrons in its nucleus.


What you the mass number of H2o?

The mass number of water (H2O) is calculated by summing the atomic masses of its components. Hydrogen has an atomic mass of 1 and oxygen has an atomic mass of 16. Therefore, the mass number of water is 18.


Is 18 O an isotope?

Yes, 18O is an isotope of oxygen. It has a different number of neutrons compared to the more common isotope of oxygen (16O), which affects its atomic mass.


What is the mass number and atomic number for argon?

Argon is a non metal element. Atomic number of it is 18.