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It is not, The mass number is (A). The symbol for Atomic Mass is (ma)

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Q: Why is atomic mass represented by A?
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What is atomic number or atomic mass?

ATOMIC MASS ;The total numbers of protons and neutrons present in the nucleus of an atom is called atomic mass and it is represented by A ATOMIC NUMBER;the number of protons in the nucleus of an atom are called atomic number or proton number and it is represented by Z


What are the two ways that an elements symbol can be represented?

Atomic mass and Atomic number


What is the symbol of titanium in periodic table?

Titanium, atomic number 22 with an Atomic Mass of 47.867 amu, is represented with the symbol Ti.


What two things represented in an element's chemical symbol?

atomic mass and mass number


What number represents the number of protons in an atom?

Protons are represented by the atomic number of an element. The number of protons is also the number of electrons. The number of protons is also represented in re Atomic Mass, which is the number of protons and the number of neutrons combined.


Are neutrons the same as mass numbers?

No. The number of neutrons is represented by the element's atomic number, not the mass number.


The formula mass of a molecule or an ion is?

The formula mass of any molecule, formula unit, or ion is the sum of the average atomic masses of all atoms represented in its formula.


Hydrogen atomic mass?

Hydrogen's atomic mass is 1.00794 amu. Hydrogen is a chemical element represented by the symbol H.


What is the average atomic mass of tungsten?

If you look on a periodic table under the element tungsten which is represented as W, you will find the atomic mass on the top right side. It's average weight is 183.84 and the atomic number of 74


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.


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 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.


Do scientists use the symbol g to represent the atomic mass unit?

No. The symbol g represents a gram which is about 6.02x1023 times greater than an atomic mass unit. an atomic mass unit is represented as AMU or g/mol (grams per mole).