"Mass" is not made of anything. It is a measure of how much matter is in an object.
Asking what mass is made of is like asking what an inch is made of.
All the planets are made of "matter" and that has "mass".
Mass is in matter. It is a unit in science?
The Atomic Mass is made up of protons and neutrons (which is basically the nucleus.)
The Atomic Mass is made up of protons and neutrons (which is basically the nucleus.)
mass of protons + mass of neutrons
Space is made of mass and charge.
Mass of the protons + Mass of the neutrons
The mass of an object depends on the materials out of which it is made.
The mass of a die depends on what it is made of and how big it is. The mass of dice also depends on how many there are.
Nearly all of an atom and mass is made up of protons and neutrons.
This can only be answered by knowing what the mass is made of.
The atomic mass of an element is the sum of its protons and neutrons.