Proton number
Another name for a set of natural numbers is counting numbers.
Mg is the chemical symbol for magnesium.
Actidines.
Another name for 'rational' is "numbers that are equal to the ratio of two whole numbers". Another name for 'irrational' is "numbers that are not equal to the ratio of any two whole numbers".
complicated numbers
Real numbers.
Atomic number (protons) and atomic mass (not to be confused with atomic weight, even if the difference is slight)
No element has this atomic number. All atomic numbers are whole numbers.
Another name for a graph that is a representation of numbers is a chart. The chart makes the numbers easy to understand upon a glance.Ê
The values above the name in a table are typically headers that describe the data in the respective columns below them. This formatting convention helps users quickly understand what each column represents without needing to repeatedly reference the column name.
There isn't another name for isotopes. What it means is Any two or more forms of a chemical element, having the same number of protons in the nucleus, or the same atomic number, but having different numbers of neutrons in the nucleus, or different atomic weights. There are 275 isotopes of the 81 stable elements, in addition to over 800 radioactive isotopic forms.
The numbers on the periodic table represent the atomic number, which is the number of protons in an atom's nucleus. The letters represent the chemical symbol of each element.