if you were to count the individual weight of all the protons neutrons and electrons you will get 40. however this is not the case when they are joined together due to something call the strong neuclear force which causes the atom to weigh 39.9
Oxygen is number 8 on the PToE. This means it has 8 protons. We know that the total mass of an atom is the sum of protons and neutrons (electrons are insignificant). Therefore: Protons + Neutrons = Mass If we use algebra and subtract protons to solve for neutrons, the new equation becomes: Neutrons = Mass - Protons Now let's plug in the numbers. Neutrons = 18 - 8 Therefore, an oxygen atom with a mass of 18 contains 10 neutrons.
The number of protons = atomic number. The element with atomic number 18 on the periodic chart is argon.
An atom with 18 protons would be argon, which usually has 22 neutrons.
The mass number is the sum of neutrons and protons. Thus, if there are 17 protons and 18 neutrons, the mass number is 35.
the element is argon and the isotope is 18Ar40.
9 protons and 9 neutrons
This is the isotope argon-36.
Argon
protons-35 neutrons-45 electrons-35
In an atom of gold, there are 79 protons and 79 electrons. The number of neutrons for gold may vary by isotope.
There are three main parts to an Atom. The atom comprises of protons, neutrons, and electrons. The location of each are Protons and Neutrons at the core, and Electrons in the shell **oribits around the core.** Protons and Neutrons are equal in amount unless the atom/element is an isotope.
The number of protons in a atom is equal to the atomic number, therefor Ag has 47 protons. The number of protons and neutrons in an atom is equal to the atomic mass, therefor (108-47= 61) Ag has 61 neutrons. The number of electrons is equal to the number of protons therefor Ag has 47 electrons.
If its a neutral atom, there will be the same number of protons as electrons. The atomic number will tell you how many protons there are, so there are 50 protons and 50 electrons.The mass number is the sum of the number of protons (or electrons in a neutral atom) and the number of neutrons. Since we know there are 50 protons, we subtract 125 with 50 to get 75 neutrons.
9 protons and 10 neutrons in F-19 isotope.
Neutrons = 10. Protons = 10. And electrons = 10.
Americium has 95 protons and electrons. Number of neutrons: Atomic Mass of an isotope - number of protons
The number of protons
In a neutral atom, the number of electrons is equal to the number of protons of the nucleus.
not usually, a standard atom will contain the same amount of electrons and PROTONS, not neutrons
protons-35 neutrons-45 electrons-35
The mass number of this atom is 23, the sum of the number of protons and neutrons.
Neutrons have no charge. When the number of protons of an atom is equal to the number of electrons in it, the atom is neutral, in other words, it has no charge.
The atomic number corresponds to the number of protons in the nucleus of an atom. It also corresponds to the number of electrons in a neutral atom. A neutral atom, you'll recall, is one where the number of electrons equals the number of protons in the nucleus of an atom. We remember that atoms often "loan out" or "borrow" electrons, so the electron count will not always equal the proton count.
False. The atom that has the same number of protons as it has electrons is a neutral atom.
The protons is 7, the neutrons is 8, and the electrons is 22.