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The atomic number is the number of protons in the nucleus of an atom.
(Note: that in a neutral atom the number of protons in the nucleus is also equal to the number of electrons the atom has)
The Atomic Mass is the mass (weight) of all the components of the atom but is dominated by the nucleus composed of protons and neutrons. Basically atomic mass is how many times an atom of an element is heavier than an atom of hydrogen, (whose atomic mass is taken as unity [1]).
(Note: atoms with the same atomic number [ie an element] may have slightly differing atomic masses. This is because atoms can have differing numbers of neutrons in their nucleus. These variations in atomic mass are called "isotopes" of that element)
I have made a related link below showing you a Periodic Table of the Elements. The numbers on the table are the atomic numberof the element.
An element's atomic number represents the number of protons that are present in the nucleus of an atom in that element.
The atomic number represents the number of protons there is in that element. It also represents the number of electrons for that particular element only if the atom is atomically neutral and is not electrically charged. Typically, an atom does not lose protons so it is reliable to base this number on the number of protons in an atom as opposed to the number of electrons, seeing that electrons can be easily lost.
What else can I help you with?
What symbol do scientists use to represent atomic mass unit?
Scientists use the symbol "u" to represent atomic mass unit.
What does atomic mass represent of an element represent?
Atomic Mass represents the mass of atom. We use mass of protons and neutrons.
What does the atomic mass of an electron represent?
The mass of an electron is atomic mass units is 5,485 799 090 70(16); the mass of the electron is not an atomic mass.
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).
When does the atomic mass of an element represent?
The average total mass of its neutrons,protons and electrons
What symbol do scientists use to represent atomic mass unit?
Scientists use the symbol "u" to represent atomic mass unit.
What does atomic mass represent of an element represent?
Atomic Mass represents the mass of atom. We use mass of protons and neutrons.
What does the atomic mass represent for manganese?
Manganese is a meta element. Atomic mass of it is 25.
What does the atomic mass of an electron represent?
The mass of an electron is atomic mass units is 5,485 799 090 70(16); the mass of the electron is not an atomic mass.
What does 60 represent in co-60?
Atomic Mass or mass no
What does the atomical number represent?
The Atomic Mass is the mass (weight) of the element measured in atomic mass units (AMU)
What does the number represent in platinum-195?
It represents the atomic number and atomic mass. Mass number is the superscript Atomic number is the subscript
What deos atom mean?
atomic mass is the number of protons in the nucleus of an atom.It can also be equal to the number of electrons in a neutral atom
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).
What does the decimal number in an element key represent?
atomic mass
When does the atomic mass of an element represent?
The average total mass of its neutrons,protons and electrons
What do the numbers and letters in the periodic table represent?
either mass or protons the top is the atomic number it shows how many protons the bottom number is the atomic mass also the weight
