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12 neutrons

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How many numbers of neutrons does magnesuim have?

Magnesium (Mg), number 12 on the periodic table, has 12 neutrons.


How many protons and neutrons are in sodium based on periodic table?

There are 11 protons and 12 neutrons. And that does not depend on the periodic table. Sodium had 11 protons and 12 neutrons long before the periodic table, or even human, beings existed!


How many Nurtons are there in the periodic table?

Each element on the periodic table has a specific number of neutrons and will vary for its isotope.


How many Neutrons from aluminum?

check the periodic table


how many neutrons in magnesium?

The "25" is the mass number, which is the sum of the number of neutrons and protons. We don't know how many neutrons there are, but we do know how many protons magnesium has. The atomic number of an element is the same as the number of protons, so locating a Periodic Table, magnesium is number 12, which means 12 protons. If mass number = number of protons + number of neutrons, then number of neutrons = mass number - number of protons (or atomic number). So 25 - 12 = 13 neutrons in 25Mg.


What is the 12th element of the periodic table?

The 12th element of the periodic table is magnesium. Magnesium has the atomic number 12 and is a silvery-white alkaline earth metal. It is essential for many biological processes and is commonly found in green leafy vegetables, nuts, and seeds.


What does Mg mean on the periodic table?

Mg on the periodic table stands for magnesium. Magnesium is a metallic element commonly found in many minerals and in seawater. It is an essential nutrient for human health and is involved in various biological processes in the body.


Where are the nuetrons found on the periodic table?

Neutrons are sub-atomic particles. The Periodic Table is an arrangement of the elements (atoms) made from these subatomic particles. Thus Neutrons by themselves have no place in the Periodic Table. However as all elements/atoms (except Hydrogen) contain some Neutrons, it is possible to find out how many using the information presented on the Periodic Table. The number of Neutrons present in an element/atom can be determined by subtracting the atomic number of an element/atom from its atomic mass.


How many electrons in a magnesium?

This is a chemical element. You can find the how many electron in a single atom by using a periodic table.


How many electrons does a magnesium have on it's outer shell?

It has two, since it is in the second column on the periodic table.


Can you tell from the periodic table how many neutrons are in an atom?

No. Atoms on the Periodic Table are listed by element in order of atomic number, which is the number of protons an atom contains. The number of neutrons in the atoms of an element usually varies among several isotopes.


How many nutrons does mercury have?

mercury has 121 nutrons because the periodic table