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Which two subatomic particles make up the atomic weight of an atom of an element?
Protons and neutrons make up the atomic weight of an atom. Protons have a positive charge and are found in the nucleus, while neutrons have no charge and are also located in the nucleus. The total number of protons and neutrons determines the atomic weight of an atom.
What element has 121.75 as it's atomic weight?
The element of Antimony (Sb) would have the atomic weight of 121.75.
The atomic number is the same as the number of these two particles?
The "Atomic number" of an element corresponds to the number of only the protons in the nucleus of its atoms. Add to that the number of neutrons that are also in there, and you have the "Atomic weight".
What is the element to this atomic weight 32?
Sulfur (32.065)
What are the main contributors to the weight of an atomic element?
The protons and neutrons are the main contributors to the weight of an atomic element.
Which element has an atomic weight?
All elements have an (atomic) weight or mass.
What element has an atomic mass of 50.942?
Vanadium is the element that has an atomic weight of 50.942.
Is Electrons are nearly weightless subatomic particles?
yes. the atomic weight of an atom is determined by how many protons and neutrons it has. determine the number of neutrons by subtracting the atomic number from the atomic mass
What is the atomic weight of petroleum 235?
Petroleum is not an element and therefore has no atomic weight!
What is the atomic weight of a fly?
a fly is not an element so it does not have an "atomic" weight. It does have a mass or weight however
Which element has atomic weight of 79?
Selenium (Se) has an atomic weight of 79,04.
What are the three subatomic particles that the atom is made?
For simplicity in the study of basic chemistry, atoms are said to consist of protons, electrons and neutrons, of which only protons and neutrons are considered to contribute to the element's atomic weight - that is, the electrons are considered to have essentially no mass are not accounted for when calculating atomic weight due to being overwhelmingly smaller than protons and neutrons. There are other particles to be considered but that will come in more advanced physical chemistry physics studies. EDIT: Corrected and added information.
