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What is the mass number of an element that consists of 6 protons 6 electrons and 8 neutrons?

Just add the protons and the neutrons. The answer is 14.


What element particles do you add together to get the atomic mass?

Addition of number of protons and neutrons.Mass of Electrons is neglected.


Can you find out the number of electrons by adding protons and neutrons?

To find out the number of electrons in an element you must add the protons and neutrons and subtract that number with the atomic mass, this will determine the amount of electrons because the unknown element could be an isotope and have more than the normal amount of electrons of the non isotope element.


Do you have to add the protons and electrons in order to find the atomic mass of an atom?

no, you add the protons and neutrons


what element has 21 protons 21 electrons and 24 neutrons?

chromium


Is a atomic mass of one element is equal to mass of protons neutrons and electrons?

In a way yes, it is really only the amount of protons and neutrons, but electrons are so small they carry so little weight that they add so little consequece to the atomic weight of an atom.


How is an element with 56 protons and 82 neutrons related to an element with 56 protons and 78 neutrons?

They are both Isotopes of Barium. The 56 protons tell us that the element is Barium and when you add the neutrons with the protons you get barium138 and barium134. They are both stable isotobes of barium but of all the barium in the world about 72% is barium138 and 2% is barium134.


What element has 39 protons and 50 neutrons?

Yttrium has 39 protons and 50 neutrons.It is represented by symbol Y.It belongs to group 3 of transition metals.


How would you calculate the atomic mass of atom without using the periodic table if you know the number of protons electrons and neutrons?

Add the number of protons plus the number of neutrons for an approximate answer. Compared to protons and neutrons, electrons have zero mass - it takes over 1800 electrons to equal the mass of a proton or neutron.


How do you figure the mass of an atom?

You add up the mass of the protons, neutrons, and electrons. Protons and Neutrons having an atomic mass of 1, and electrons having an atomic mass of roughly 1/1800.


What are isotops made of?

Isotopes are made out of subatomic particles (elementary ones are: protons, neutrons, and electrons). They contain the same number of protons and electrons as the element, but the number of neutrons vary slightly. Neutrons, as the name implies are neutral, and for this level, really only add mass to the an atom. Extra bit of information: Isotopes will decay to reach their "default neutron count" (#neutrons = #protons). This is exactly fundamentally Carbon dating works.


What is the atomic number of an atom of an element with 5 protons and 6 electrons?

Disregard the electrons, as their relative mass is insignificant to that of protons and neutrons. To find atomic mass, add the numbers of protons and neutrons: 5 + 6 = 11 is the mass number.