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Atomic Mass is the number of protons added to number of neutrons.
Number of protons is element's atomic number, and you can count neutrons by subtracting atomic number from atomic mass.
So, it can be any substance which has a atomic number 12 lower than atomic mass.
Basically, i would say that it is Magnesium 24 isotope [most common Magnesium isotope], because it has 12 protons and 12 neutrons [12 + 12 = 24]
Sodium 23 isotope [also most common] fits perfectly too.
However, it can be any other material's isotope. For example Aluminum 25 [13+12=25] Neon 22 [10+12=22]
What else can I help you with?
What is the mass number of an atom with 11 protons 11 electrons 12 neutrons?
Sodium is a metal element. Mass number of it is 23.
What is the mass number of a magnesium atom with 14 neutrons?
The mass number is the sum of protons and neutrons in an atom. Since magnesium has 12 protons, a magnesium atom with 14 neutrons would have a mass number of 26 (12 protons + 14 neutrons = 26 mass number).
What has 11 protons 12 neutrons and 10 electrons?
none because the number of protons and electrons have to be the same.
What element has 8 neutrons 8 protons?
The element that has 8 protons and 8 neutrons is oxygen.
Which element has 6 protons and 6 neutrons?
carbon or boron
What element has 12 protons and 10 neutrons?
Any atom, ion, or isotope with 12 protons is going to be magnesium. Only the number of protons in the nucleus will determine the element. But with the information about the number of neutrons, the specific isotope can also be determined - 22Mg.
Can an element have the same number of protons and neutrons?
Yes. An example would be carbon-12. It has 6 protons and 6 neutrons.
What is the number of protons neutrons and electrons of carbon 12?
Carbon-12 has 6 protons, 6 neutrons, and 6 electrons. The number of protons determines the element (carbon), the number of neutrons plus protons gives the mass number (12), and in a neutral atom, the number of electrons equals the number of protons.
What are the number of protons and neutrons in the following Mg with atomic mass of 26?
Mg has 12 protons since it is element number 12 on the periodic table. To calculate the number of neutrons, subtract the atomic number (12 protons) from the atomic mass (26), which gives 14 neutrons in this case.
If an atom of an element has a mass number of 31 and 16 neutrons in its nucleus what is the atomic number of the element?
12. the atomic number of an element is the number of protons in it's nucleus. The mass number is the number of protons+neutrons. Therefore the element has (32-20)12 protons.
What is the mass number of an atom with 11 protons 11 electrons 12 neutrons?
Sodium is a metal element. Mass number of it is 23.
What's the atomic number of an element that has 12 protons and 14 neutrons?
6
What subatomic particles could be changed without changing which element the atom?
You are probably referring to neutrons which are often found within the nucleus of an atom in numbers different from the protons. An atom of the element carbon, for instance, normally consists of 12 protons, 12 electrons and 12 neutrons. However, an isotope of carbon known as C13 consists of 12 protons, 12 electrons and 13 neutrons.
What is the mass number of a magnesium atom with 14 neutrons?
The mass number is the sum of protons and neutrons in an atom. Since magnesium has 12 protons, a magnesium atom with 14 neutrons would have a mass number of 26 (12 protons + 14 neutrons = 26 mass number).
What has 11 protons 12 neutrons and 10 electrons?
none because the number of protons and electrons have to be the same.
What element has 8 neutrons 8 protons?
The element that has 8 protons and 8 neutrons is oxygen.
Which element has 6 protons and 6 neutrons?
carbon or boron
