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How do you find the atomic mass of an element if you don't know the number of neutrons?
It is not possible.
How do you figure out protons electrons neutrons?
Find the atomic number. That tells you the number of protons and electrons (in a neutral atom). Then find the atomic weight. The number of protons plus the number of neutrons will equal the atomic weight. So if you know the wt. just subtract the number of protons and you will have the number of neutrons.
What does mass do?
The Atomic Mass is equal to the number of protons plus neutrons. So if you know the atomic number then you can find out the number of neutrons Atomic # is the amount of Protons or Electrons Atomic Mass- Number of protons plus neutrons Atomic Mass-Atomic Number = Amount of neutrons
How do you find the number of neutrons AM element has?
To find the number of neutrons in an element, you need to know its atomic mass (rounded to the nearest whole number) and its atomic number. The atomic number represents the number of protons in the nucleus, and since the number of neutrons can vary (resulting in different isotopes), you can calculate the number of neutrons by subtracting the atomic number from the atomic mass: Neutrons = Atomic Mass - Atomic Number. For example, if an element has an atomic mass of 12 and an atomic number of 6, it has 12 - 6 = 6 neutrons.
How do you find the number of electrons in an atom if you know the number of protons and neutrons?
In a neutral atom, the number of electrons is equal to the number of protons of the nucleus.
What if you know Atomic number of an atom if you know the number of neutrons?
The atomic number of an atom represents the number of protons in its nucleus and defines the element. If you know the number of neutrons, you can find the mass number by adding the number of protons (the atomic number) to the number of neutrons. This relationship can help you identify the specific isotope of the element, as isotopes differ in their neutron count while having the same atomic number. Thus, knowing either the atomic number or the number of neutrons allows you to gather information about the atom's identity and its isotopes.
What would you do if you wanted to know the number of neutrons in an atom of a given element?
To find the number of neutrons in an atom of a given element, you would typically subtract the atomic number (number of protons) from the atomic mass of the element. The atomic mass is usually represented as the decimal number on the periodic table for each element.
How do you know the number of neutrons an atom has?
You can find the number of neutrons in an atom by subtracting the atomic number (number of protons) from the atomic mass number (rounded atomic weight). The atomic mass number represents the sum of protons and neutrons in the nucleus.
How do you calculate subatomic particles in isotopes?
To calculate the number of subatomic particles in isotopes, you need to know the atomic number (number of protons) and mass number (sum of protons and neutrons) of the isotope. Subtract the atomic number from the mass number to find the number of neutrons. The number of electrons will be equal to the number of protons if the atom is neutral.
How many neutrons are found in one atom of 40K?
I'm assuming you are referring to Potassium (K)-40. All Potassium has 19 protons, though there are many stable isotopes. Potassium-40 has 21 neutrons.
How do you find the mass number of an element or compound without knowing the number of neutrons?
Atomic weight is really the only way to know how many neutrons there are. However, if you have no reason to think that you are dealing with an unusual isotope, you can assume the normal distribution of isotopes.
How many protons and neutrons in N-15?
The number after the "N", 15, is the mass number. The mass number is the sum of the number of protons and the number of neutrons. So, if you find a periodic table, you can find the atomic number, which is the same as the number of protons. Because the atomic number of nitrogen is 7, it has 7 protons. Then we take the mass number (protons + neutrons) and subtract the number of protons to find the number of neutrons. 15 - 7 = 8 neutrons in 15N.
