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The Atomic Number of an element is the number of Protons in its nucleus, that is what determines what element the atom is. The Atomic Mass is the total mass of Protons, Neutrons, and (negligable) Electrons, but that means the Atomic Mass will be larger than the Atomic Number.

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If there is a difference between a substance's atomic number and its atomic mass and which measure must be the larger number?

The atomic number represents the number of protons in an atom, while the atomic mass represents the sum of protons and neutrons. Generally, the atomic mass is larger than the atomic number for most elements since it includes both protons and neutrons.


If there is a difference between a substance atomic number and its atomic mass which measure must be the larger number?

The atomic mass number must be higher as that represent the number of protons and neutrons in an element. Whereas only the number of protons are represented in the Atomic Number.


Where is the atomic number?

In the atoms on the periodic table the atomic number is the smaller of the two numbers, the other larger number is the mass umber


Is the atomic number the largest the two numbers shown in the periodic table?

The atomic number is the smaller of the two numbers shown in the periodic table. It represents the number of protons in the nucleus of an atom and determines the element's identity. The larger number, the atomic mass, is the sum of protons and neutrons in the nucleus.


Why does tellirium has a larger mass number than iodine?

Iodine is a non metal element. Atomic mass number of it is 127.


The number of an element determines its?

it depends which number you are referring to. in the periodic table, the numbers referr to number of protons and then relative atomic mass. the larger number is relative atomic mass and the smaller number is the number of protons for example, chlorine, has a relative atomic mass of 35.5 and a proton number of 17


Which element in each pair has atoms with a larger atomic mass?

Carbon vs. Oxygen: Oxygen has atoms with a larger atomic mass. Sodium vs. Magnesium: Magnesium has atoms with a larger atomic mass. Phosphorus vs. Sulfur: Sulfur has atoms with a larger atomic mass.


What is the atomic mass number of krypton?

83.98 amu is the Atomic Mass, 36 is the atomic number.


Is it true that The atomic mass is equal to the atomic number?

No, the atomic mass is not equal to the atomic number. The atomic number represents the number of protons in an atom's nucleus, while the atomic mass is the sum of protons and neutrons in the nucleus. The atomic mass can differ from the atomic number, especially due to the presence of neutrons.


What is the difference between the atomic number mass number and atomic mass?

We can find Atomic Mass and mass number in chemical elements. Atomic mass is about weight of the atom. Mass number is about total of neutrons and protons.


What do you do with an atomic number and an atomic mass?

The atomic number is the number of a chemical element in the periodic table of Mendeleev; the atomic number is equal to the number of protons and electrons. The atomic mass is the mass of an atom expressed in relative atomic mass units.


Can you use the atomic number and atomic mass to calculate the number of each subatomic particle?

atomic number = number of protons = number of electrons atomic mass = mass of protons + mass of neutrons