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The answer is Fluorine!
Argon, one of the noble gases.
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∙ 11y ago
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∙ 11y agoIndeterminate, but probably Fluorine which is a gas in its normal state and has an Atomic Mass of 19. There are (unstable) isotopes of both oxygen and neon that also have 19 nucleons.
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∙ 9y agoThe mass number of an element is independent of the element number. In this case, the closest element with a mass number of 19 is Fluorine, with a mass of 18.998.
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∙ 9y agoPotassium is a metal element. Atomic mass of it is 30.
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∙ 9y agoFluorine is a non metal element. Atomic mass number of it is 19.
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∙ 9y agoFluorine is a non metal element. Mass number of it is 19.
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∙ 11y agoelement with atomic number 19 is potassium and it is a solid.
Did u mean atomic number 17? if so, then it will be chlorine gas.
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∙ 9y agoFluorine is a gas. it is yellow in color. It has a mass number of 19.
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∙ 13y agoFluorine
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∙ 12y agofluorine
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What is fluorine mass number?
Fluorine is a non metal element. Atomic mass of it is 19.
An atom of Potassium has a mass number of 40 and an atomic number of 19.how many protons does it have?
The atomic number is the number of protons: 19.number of neutrons = mass number - atomic number = 21.The number of electrons is normally the same as the number of protons: 19
What is the atomic and mass number of potassium?
The atomic number is 19 and the mass number of its most abundant isotope K-39 is 39 (19 protons + 20 neutrons) while the mass of that isotope is 38.96371 a.m.u.The relative atomic mass of the element potassium, K, is 39.10 g/mole.
Calculate the number of protons of the atom whose mass number is 19 and whose number of neutrons is 10?
Mass number 19 means a total of 19 protons and neutrons. If it has 10 neutrons, that leaves 9 protons, which is Fluorine.
Mass number of 19?
Potassium is a metal element. Atomic mass of it is 30.
What is a gas and has as mass number of 19?
Fluorine is a gas with a mass number 19.
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 element is a gas and a mass number of nineteen?
Fluorine is a non metal element. Mass number of it is 19.
What element is a gas with mass number of19?
Fluorine is a non metal element. Atomic mass number of it is 19.
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 has a mas number of 19?
K, or potassium, has a mass number of 19. Fluorine is a non metal element. Mass number of it is 19. No, mass number for potassium is not 19. That is the atomic number.
What is the mass number of fluorine-19?
The mass number of fluorine-19 is 18.998404 amu.
What atom has a mass number of 19?
Fluorine is a non metal element. Mass number of it is 19.
What is the mass number of CI if it has 19 neutrons?
Fluorine is a non metal element. Mass number of it is 19.
What is the mass number for fluorine -19?
Fluorine is a non metal element. Atomic mass number of it is 19.
Fluorine's atomic number is 9 and its atomic mass is 19. How many neutrons does fluorine have?
Answer is in the question itself. 19. Because atomic mass is nearly equal to the mass number of the atom. Mass number is always a round number that is natural number. The proton code for fluorine atom is 9. Mass number is the total number of protons and neutrons. So for mass number 19, the number of neutrons will be 19 - 9 = 10.
