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What is the mass number for sodium?

the mass number of sodium is 23


What is the atomic mass number of sodium?

Sodium is a meta element. Atomic mass of it is 23.


What is the mass number of the element Na?

Sodium is a metal element. Mass number of it is 23.


How many neutrons are in an atom of sodium with mass number 23?

An atom of sodium with mass number 23 has 12 neutrons. This can be calculated by subtracting the atomic number (which is 11 for sodium) from the mass number (which is 23).


What is the mass number of a sodium atom?

Sodium is a metal element. Atomic mass number of it is 23.


What is the mass number and atomic number of sodium?

Sodium (Na) has atomic number 11 and Atomic Mass of 22.99 g/mol


What is the mass number of sodium if the numbers are 11 and 12?

The proton number of Sodium is 11. The mass number is just under 23 (22.989...). This is because of the different isotopes of sodium and there scarcity.


What is the atomic number and atomic mass of Sodium?

The atomic number of Sodium is 11, which means it has 11 protons in its nucleus. The atomic mass of Sodium is approximately 23 amu (atomic mass units), which is the weighted average of all the isotopes of Sodium found in nature.


Which element has mass number of 23?

Sodium is a metal element. Atomic mass of it is 23.


Consider an isotope of sodium with the mass number of 25the number of neutrons in this isotope is?

Sodium atoms always have 11 protons. Since the mass number is the sum of protons and neutrons, one can find the number of neutrons by subtracting the number of protons from this number. Thus, sodium 25 has 14 neutrons.


What is the difference in mass of Na ion and Na atom?

The difference in mass between a sodium atom and a sodium ion (supposing Na+) is 9.10938188 × 10-31kg (the mass of an electron). This is due to the sodium atom losing an electron to form an ion. In order to attain the mass of a single sodium atom you need to divide the molar massn (mass number) of sodium by avogadro's number. You can then find the mass of the ion by subtracting the mass of an electron from the mass of a sodium atom.


What is the exact value of sodium?

The relative mass number of sodium is 23. The atomic number is 11. It has a valency of one.