# How many electrons and protons are in fluorine?

## How many electrons and protons are in fluorine?

Name Fluorine
Number of Protons 9
Number of Neutrons 10
Number of Electrons 9
Melting Point -219.62° C

## Does fluorine have 19 electrons?

The number of electrons in an electrically-neutral atom is the same as the number of protons in the nucleus. Therefore, the number of electrons in neutral atom of Fluorine is 9.

Summary.
Element Fluorine
Number of protons 9
Number of neutrons (typical isotopes) 19
Number of electrons 9
Electron configuration [He] 2s2 2p5

## How many protons electrons and neutrons are there in fluorine?

1 Answer. This isotope of fluorine has 9 protons, 9 electrons and 10 neutrons.

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## What element has 9 protons 11 neutrons and 9 electrons?

The atomic number is also called the proton number of the element. Since this atom has 9 protons, then its atomic number will be 9 . If we look on the periodic table, atom number 9 is called fluorine.

## What is the charge of fluorine?

-1
3.1Computed Properties
Property Name Property Value Reference
Formal Charge -1 Computed by PubChem
Complexity 0 Computed by Cactvs 3.4.8.18 (PubChem release 2021.05.07)
Isotope Atom Count 0 Computed by PubChem
Defined Atom Stereocenter Count 0 Computed by PubChem

## What has 12 protons and 12 neutrons?

Magnesium
So you might account for this isotope problem by saying that about 79% of all Magnesium atoms have 12 neutrons, 12 protons, and 12 electrons.

## How do you find the electrons?

Finding the Number of Electrons

The number of electrons in an atom is equal to the atomic number of an element, for neutrally charged species. This means the number of electrons and the number of protons in an element are equal. Therefore, the number of electrons in oxygen is 8.

## What is the charge of an ion that has 20 protons and 18 electrons?

Ca2+ represents an ion with 20 protons and 18 electrons. A calcium atom has 20 protons and 20 electrons. The 2+ charge next to the symbol indicates a loss of two electrons: 20-2=18.

## What is fluorine number of neutrons?

For example, a fluorine atom has 9 protons and 10 neutrons. Its atomic number is 9, while its atomic mass is 19 atomic mass units.

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## Are all atoms with 9 protons fluorine?

By looking at the periodic table, you will see that Fluorine has 9 protons. Since the number of electrons equal the number of protons, Fluorine has 9 electrons as well. Meanwhile, it’s mass number of 19, minus 10 neutrons, gives you 9 protons or electrons. Hence, the atom would be Fluorine.

## How do u find neutrons?

For all atoms with no charge, the number of electrons is equal to the number of protons. The mass number, 40, is the sum of the protons and the neutrons. To find the number of neutrons, subtract the number of protons from the mass number. number of neutrons=40−19=21.

## What element has 10 protons 10 electrons and 10 neutrons?

Neon
Neon is an atom with atomic number ten. Its atomic weight is 20.179 which cause it to have ten neutrons and ten protons in its nucleus and ten electrons outside. Neon; Neon, Ne, is a colorless inert noble gas and it is also the second lightest noble gas.

## What element has 8 electrons 8 protons and 8 neutrons?

oxygen atom
Answer 8: An oxygen atom usually has 8 protons, 8 neutrons, and 8 electrons. Looking at the periodic table, oxygen has atomic number 8 and atomic weight 15.999. The atomic number tells you how many protons are in the atom’s nucleus.

## What is a atomic number with 9 protons 9 electrons and 9 neutrons?

element fluorine
The element fluorine has 9 protons and 9 electrons.

## Why is fluorine ion negative?

But now fluorine has ten electrons but only nine protons. Its charge is unbalanced. It has an extra electron, and so it has a negative charge. An atom with one or more extra charges is called an “ion”.

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## What ion is F?

fluoride ion
Having a chemical formula of F−, fluoride ion is the simplest inorganic, monatomic anion of fluorine with basic properties. It is considered a trace element.

## Why does fluorine only gain one electron?

When forming ions, elements typically gain or lose the minimum number of electrons necessary to achieve a full octet. For example, fluorine has seven valence electrons, so it is most likely to gain one electron to form an ion with a 1- charge.

## What atom has 11 protons 11 electrons and 12 neutrons?

Sodium
Sodium has a mass number of 23 and an atomic number of 11. It contains 11 protons, 11 electrons, and 12 neutrons.

## What has 8 electrons 8 protons and 10 neutrons?

16O2− has 8 protons, 8 neutrons, and 10 electrons.

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