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The 9 is the atomic number of the atom, an element by definition has only 1 possible atomic number. This means it has 9 protons in the nucleus, and if it is atomic (not ionic), as it is in this case, then it has 9 electrons as well.
19 refers to the Atomic Mass, this is the number of protons + the number of neutrons. So if we take the number of protons (9) away from the mass of the nucleus (19) we are left with 10, which must be the number of neutrons in this isotope of the element.
To recap
9 protons
9 electrons
10 neutrons
Wiki User
∙ 14y ago
Wiki User
∙ 13y ago9: There are always 9 protons in any fluorine atom, since fluorine is "defined" as the element whose atoms contain exactly nine protons.
Wiki User
∙ 11y agoNo. of protons = atomic number = 9
No. of neutrons = Mass number - atomic number = 19 - 9 = 10Wiki User
∙ 13y agoNine (9) electrons
Wiki User
∙ 11y agomore than 0 but less than infinity.
Wiki User
∙ 6y agoFluorine has 9 protons.
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How many neutrons protons and electrons does fluorine have?
The atomic number of fluorine is 9. Atomic number = amount of protons, as well as the amount of electrons in an uncharged atom. Neutrons is simply atomic mass - atomic number, so 19 - 9. (all information found on periodic table). So, 9 protons, 9 electrons, 10 neutrons.
What is the number of protons in 19F -1?
Not sure what 19F -1 stands for but fluorine has 9 protons.
What is the shorthand notation for fluorine 19?
19F.
How many nuetrons does fluorine contain?
Although there are 19 forms of fluorine, known as isotopes and an isomer, only one exists in significant quantities. It is 19F, meaning that it has an atomic mass of 19. The atomic number of fluorine is 9. Therefore, the number of neutrons in a nucleus of an atom of this isotope of fluorine is 10.
How can you find the number of protons and electrons and neutrons in an atom or ion?
Number of protons = Atomic numberNumber of electrons = Atomic number minus the charge (if it is ion)Number of neutrons = Mass number minus Atomic numberNumber of Protons:Look at the periodic table. Each element is assigned a number called the atomic number -- it is usually written in large on the periodic table. That number tells you the number of protons in the nucleus of each element. The atomic number is always the same as the number of protons. The number of protons in the nucleus uniquely identifies an element.Number of Electrons:The number of electrons in an element can change. For a neutral atom (net charge of zero), the number of protons is exactly equal to the number of electrons. So the number of electrons is also the same as the atomic number.However, it is possible to remove electrons and not change the identity of an element. These are called ions. The charge on the ion tells you the number of electrons -- the number of electrons is the atomic number minus the charge on the ion if it's an ion. If the charge is positive, subtract that number from the atomic number to get the number of electrons (with a positively charged ion, you will then have less electrons than protons).If the charge is negative, subtract the charge (but note you are subtracting a negative number, which is the same as adding the magnitude of the charge to the atomic number (with a negatively charged ion, you with then have more electrons than protons).Number of Neutrons:The number of neutrons in an element can also vary, and if two atoms of the same element have different numbers of neutrons, then they are called isotopes. To figure out how many neutrons are in the nucleus, you must know the mass number. Note that you cannot determine the number of neutrons for an element, only for one isotope of that element -- so you have to know which isotope you are being asked about.Usually, a specific isotope is written like this: silicon-30 or carbon-12 or aluminum-26. It can also be written like this though, when using the symbol for the element instead of its full name: 30Si or 12C or 26Al. The number is called the mass number, and the mass number is equal to the sum of the number of protons plus the number of neutrons.So if you know the mass number and you know the atomic number (if you know the name of the element, that tells you the atomic number because each element has only one atomic number), to find the number of neutrons, subtract the mass number from the atomic number.Here are some examples:The element hydrogen (H) has atomic number of 1, so it has one proton in the nucleus, and one electron. The hydrogen ion (H+) has zero electrons, and the hydrogen ion (H-) has 2 electrons. Most hydrogen atoms don't have any neutrons (these are written 1H), but there exists an isotope called deuterium (also 2H) which has one neutron, and another isotope called tritium (also 3H) which has 2 neutrons.The element fluorine (F) has atomic number 9, so it has nine protons. The neutral atom also has 9 electrons, but F is commonly found as a negative ion F-, which has 10 electrons. The most common isotope of fluorine has 10 neutrons, and so it has a mass number of 19, and is written Fluorine-19 or 19F. There also exists another isotope, fluorine-18 or 18F, which only has 9 neutrons, but this isotope is not stable.
How many neutrons protons and electrons does fluorine have?
The atomic number of fluorine is 9. Atomic number = amount of protons, as well as the amount of electrons in an uncharged atom. Neutrons is simply atomic mass - atomic number, so 19 - 9. (all information found on periodic table). So, 9 protons, 9 electrons, 10 neutrons.
What neutral particle does fluorine atoms contain?
The natural isotope 19F has 10 neutrons.
How many floors are there in Mt Avalanche in explorer of darkness?
19F + Summit
What is the number of protons in 19F -1?
Not sure what 19F -1 stands for but fluorine has 9 protons.
In Pokemon mystery dungeon explorers of sky how many floors does gaint valcono?
19F and bottom
What is the shorthand notation for fluorine 19?
19F.
How many nuetrons does fluorine contain?
Although there are 19 forms of fluorine, known as isotopes and an isomer, only one exists in significant quantities. It is 19F, meaning that it has an atomic mass of 19. The atomic number of fluorine is 9. Therefore, the number of neutrons in a nucleus of an atom of this isotope of fluorine is 10.
What is the atomic number of 19F?
The atomic number of fluorine is 9.
What is the symbol for the isotope fluorine 19?
The chemical notation is 19F.
How many floors in mt. avalanche in Pokemon explorers of sky?
about 20 floors
What element has 19 mass number?
Fluorine (F), the isotope 19F.
What is the symbol for fluorine 19?
19F is the atomic symbol for fluorine-19.
