Carbon has a mass number of 12.
Carbon is a non metallic element. Mass number of it is 12.
Sodium is a metal element. Mass number of it is 23.
The most common isotope of carbon is Carbon-12, which has a mass number of 12.
The atomic number is 6.
The mass number of magnesium is 24. This is calculated by adding together the number of protons and neutrons in the nucleus of a magnesium atom. Magnesium has 12 protons and typically 12 neutrons.
The isotope 12C has the mass number 12.
Carbon is a non metal element. Mass number of it is 12.
Carbon is a non metallic element. Mass number of it is 12.
Carbon is the element with mass 12. It has 6 neutrons.
Carbon is a non metallic element. Mass number of it is 12.
Carbon
Sodium is a metal element. Mass number of it is 23.
12. When a nuclide is (properly) named in the form [element name]-[number], the number is always the mass number.
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.
Carbon is a metal element. Atomic mass number of it is 12.
Carbon is a non metal element. Mass number of it is 12.
The atomic number is 6.