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they find out the atomic weight by adding the total number of neutrons and protons. for example, helium has a atomic weight of 4 since there are 2 newtons and 2 protons.
What else can I help you with?
How can one determine the atomic weight of an element?
The atomic weight of an element can be determined by calculating the weighted average of the masses of its isotopes, taking into account their abundance in nature. This information is typically found on the periodic table of elements.
What element has 121.75 as it's atomic weight?
The element of Antimony (Sb) would have the atomic weight of 121.75.
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.
What is the atomic weight of petroleum 235?
Petroleum is not an element and therefore has no atomic weight!
What is the weighed-average mass of all the known isotopes for an element called?
The weighted-average mass of all the known isotopes for an element is called the atomic weight or atomic mass. It is calculated by taking into account the abundance of each isotope and its mass to determine the average mass of all isotopes present in nature for that element.
How do you determine the number of moles in an element?
Multiply the # of grams by the element's atomic weight. Or if dealing with milliliters, multiply the volume by solutions molarity. When calculating a molecule's # of moles, multiply the # of grams by the molecular 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.
Does atomic weight is same with atomic number?
Atomic weight is not the same as atomic number for any element except hydrogen; this is the only element that has a radioactively stable isotope with no neutrons.
