What Is the Difference Between Mass Number and Mass Charge Ratio ?

they are if the CHARGE IS ONE however consider C it has a mass(12) to cahrge(2) ratio of 6 not 12!

What Is the Difference Between Mass Number and Mass Charge Ratio ? 1

1. An atom of an element has an atomic number of 26 and a mass number of 56?

Look at thee periodic table. Atomic number is the number of protons. An example is He has an atomic number 2 and has 2 protons. Neutrons are the difference between the number of protons (the atomic number) and the mass number. Going back to He, its atomic number is 2 and if you look at the rounded mass (4) the difference is 2, which is the number of neutrons. The name of the element is written in the symbols square. Isotopes are the result of a different number of neutrons. If an element has two different mass numbers that means one isotope has a different number of neutrons than the other isotope. The number of neutrons for each isotope can again be determined by the difference between the atomic number and the mass number.

2. Atomic number and mass number, physics help?

since atomic number is the number of protons in the nucleus and atomic weight is the total of neutrons and protons in the nucleus and an alpha particle is 2neutrons and 2 protons i would guess 14/8

What Is the Difference Between Mass Number and Mass Charge Ratio ? 2

3. help finding mass number!!?

well, mass number = protons neutrons you know that there are 157 neutrons so you have to find protons. protons = electrons *where there is a charge you add protons if it is positive and you add electrons if the charge is negative 109 electrons = the atom has 109 protons 1 because of the 1 charge. 110 protons 157 neutrons = 267 mass #

4. A given isotope of oxygen has 10 neutrons. What is its mass number?

A = Mass number, Z = Atomic number (protons) A = Z nuetrons. A =8 10 = 18

5. Difference between mass number and atomic number?

the atomic number of an element is basically the number of protons it has. for every element this is different. the mass number of an element is the number of protonsthe number of neutrons. Theoretically, this number should be a whole number, but since there are different isotopes (atoms of the same element with different numbers of neutrons) of each element, most periodic tables take account of that, so they often include decimals hope this helps :)

6. What is the relationship between atomic number and atomic mass number?

The atomic number is the number of protons (ve charged things) in an atom. The relative atomic mass (the atomic mass number) is the number of both neutrons and protons in an atom. Take lithium as an example; it has an atomic number of 3, and a relative atomic mass of 7. This means there are 3 protons, and 4 neutrons in the nucleus of the atom.

7. What is the mass number of an electron?

The terminology of 'mass number' is not applied to an electron, but to an atom and is roughly the number of nucleons in the nucleus of the atom and so it is the sum of the numbers of protons and neutrons in its nucleus. It is not the mass of anything and is a positive integer having no units or dimension. Since an electron has a mass roughly (1/2000)_th of the mass of a proton, it cannot have any mass number.

8. If a carbon atom has 6 protons and 6 neutrons in its nucleus, what is the mass number of carbon?

To work out the atomic mass number, you should add the number or protons and neutrons together. So, the atomic mass of Carbon is 12 because 6 6 =12.

9. how to define, molar mass, mass number, atomic mass, atomic number.?

The molar mass of a molecule is how many grams avogadro's number molecules of that substance is. Avogadro's number is 6.02 x 10^23. So, carbon's molar mass is 12. That means 6.02 x 10^23 atoms of carbon have a mass of 12 grams. H2O's molar mass is 18. That means 6.02 x 10^23 molecules of water have a mass of 18 grams.

10. A magnesium (Mg) atom with a mass number of 25 contains?

mass number = protons neutrons atomic number = protons in a neutral atom, protons = electrons mass number = 25, Mg = element 12 12 protons, 12 electrons, 13 neutrons #2 is correct

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