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The mass number is the number of protons plus neutrons. Magnesium is element number 12, so it has 12 protons. Its mass number with 14 neutrons is 12 + 14 which is 26.

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The most stable isotope of an atom with 12 protons probably has neutrons?

Mass of protons + Mass of neutrons + mass or electrons - Binding energy of the atom. Do not forget to subtract the binding energy. If you teacher never mentioned this, then he/she is wrong. You always have to subtract the binding energy to find the real mass.


Mass number of magnesium?

Magnesium is a metal element. Atomic mass of it is 24.


What is the sum of protons and neutrons in an atom?

Mass number!:)


How many neutrons and protons are in Magnesium 26?

Manesium 24 has 12 electrons, protons and neutrons.


How many protons and neutrons are in Mg?

The number of protons (p+) in the nuclei of an element's atoms is the atomic number of the element. In this case, the atomic number of magnesium is 12. In a neutral atom, the number of electrons (e-) equals the number of protons. So all neutral magnesium atoms have 12 protons and 12 electrons. Isotopes of an element differ in the number of neutrons (n0).There are three stable isotopes of magnesium (Mg) identified by their mass numbers; magnesium-24, magnesium-25, and magnesium-26. The mass number is the sum of protons and neutrons in the nucleus of an atom. To determine the number of neutrons, subtract the atomic number from the mass number. (mass number - atomic number = no. of neutrons)Magnesium-24: 24 - 12 = 12; An atom of Mg-24 has 12 p+, 12 e-, and 12 n0.Magnesium-25: 25 - 12 = 13; An atom of Mg-25 has 12 p+, 12 e-, and 13 n0.Magnesium-26: 26 - 12 = 14; An atom of Mg-26 has 12 p+, 12 e-, and 14 n0.

Related Questions

What is the mass number for Mg?

Magnesium is a metal element. Mass number of it is 24.


How many neutrons are in a atom of magnesium?

A magnesium atom typically has 12 neutrons. Magnesium has an atomic number of 12, indicating it has 12 protons which is equal to its number of electrons in a neutral atom. The number of neutrons can be calculated by subtracting the atomic number from the atomic mass of magnesium, which is approximately 24.305 amu.


A magnesium atom has 12 protons and 12 neutrons what is its mass number?

The atomic number of magnesium is 12. Its nucleus must contain 12 protons and no electrons. The atomic number of an atom is determined by the number of protons. Electrons are not in the nucleus.


The most stable isotope of an atom with 12 protons probably has neutrons?

Mass of protons + Mass of neutrons + mass or electrons - Binding energy of the atom. Do not forget to subtract the binding energy. If you teacher never mentioned this, then he/she is wrong. You always have to subtract the binding energy to find the real mass.


Mass number of magnesium?

Magnesium is a metal element. Atomic mass of it is 24.


How many neutrons are present in a magnesium atom with a mass number of 24?

A magnesium atom with a mass number of 24 has 12 protons because the atomic number of magnesium is 12. To find the number of neutrons, you subtract the atomic number from the mass number: 24 (mass number) - 12 (atomic number) = 12 neutrons.


What is the number of neutrons in an atom affects the atomic what?

The number of neutrons in an atom can affect the atomic mass of an atom.


What is the sum of protons and neutrons in an atom?

Mass number!:)


An isotope of iron has 26 protons and 32 neutrons what is the mass number?

An unknown element contains 24 protons, 21 electrons,and has mass number 54


How many neutrons and protons are in Magnesium 26?

Manesium 24 has 12 electrons, protons and neutrons.


How many protons and neutrons are in Mg?

The number of protons (p+) in the nuclei of an element's atoms is the atomic number of the element. In this case, the atomic number of magnesium is 12. In a neutral atom, the number of electrons (e-) equals the number of protons. So all neutral magnesium atoms have 12 protons and 12 electrons. Isotopes of an element differ in the number of neutrons (n0).There are three stable isotopes of magnesium (Mg) identified by their mass numbers; magnesium-24, magnesium-25, and magnesium-26. The mass number is the sum of protons and neutrons in the nucleus of an atom. To determine the number of neutrons, subtract the atomic number from the mass number. (mass number - atomic number = no. of neutrons)Magnesium-24: 24 - 12 = 12; An atom of Mg-24 has 12 p+, 12 e-, and 12 n0.Magnesium-25: 25 - 12 = 13; An atom of Mg-25 has 12 p+, 12 e-, and 13 n0.Magnesium-26: 26 - 12 = 14; An atom of Mg-26 has 12 p+, 12 e-, and 14 n0.


What is the number of charged protons neutron and electron in magnesium?

Each magnesium atom has 12 electrons and 12 protons (which are always charged), because magnesium has an atomic number of 12. In order to find the number of neutrons, the atomic mass number must be known. The number of neutrons can be determined by subtracting the number of protons from the atomic mass number.