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Fluorine is a non metal element. Mass number of it is 19.
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∙ 9y ago
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What element is a gas and has a mass number of 19?
The fluorine-19 isotope.
He is an element?
He (helium) is the second element on the periodic table.
Why is atomic number the proper basis for classification of elements?
Because Atomic number is the identity of an element , all the atoms of an element have the same atomic number while their mass numbers ma be different. for Example Argon(Ar) a noble gas and Calcium(Ca) an active metal have the same mass number 40.
What is the 18 element in the periodic table?
Argon, Ar, has the atomic number of 18 on the Periodic Table of Elements.
What is the atomic mass number for nitrogen?
The atomic weight is14.00674
What is the gas with a mass number of nineteen?
The atomic mass 19 is for fluorine, the ist member of halogens it exists as F2,a diatomic gas.
What element is a gas and has a mass number of 16?
Oxygen is a non metal element. Mass number of it is 16.
What element is a gas with mass number of19?
Fluorine is a non metal element. Atomic mass number of it is 19.
Gas with mass number 19?
The answer is Fluorine!Argon, one of the noble gases.
You are a noble gas with a mass no of 19?
The element with a mass number of 19 could be fluorine, which is a halogen and a gas, but not a noble gas.
What element is a gas and has a mass number of 19?
The fluorine-19 isotope.
What is the number of gas?
Gallium is a non metal element. Atomic Mass of it is 70.
What element Nobel gas with atomic mass of 226?
Radon has atomic mass of 222. There is isotope of Radon with mass number 226. Radon is a Nobel gas.
Atomic number for fluorine?
Symbol: F Atomic Number:9 Atomic mass: 18.998 Mass Number: 19 Number of Protrons: 9 Number of Electrons: 9 Number of Neutrons: 10
He is an element?
He (helium) is the second element on the periodic table.
What are physical en chemical propertes of an element?
Physical and chemical properties of an element are things about the element. if its a liquid, solid, gas. what the pH is. what the atomic number and mass is..... stuff like that.
What is atomic mass and number of gas molecule?
Atomic mass is the mass according to the number of protons and neutrons in the nucleus of the atom. The actual mass is the average of the masses of the different isotopes of the same element (alternative forms of the same element with the same no of protons but different no of neutrons) accordong to the isotopes mass and abundance in the world.
