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Mercury is a metal element. Mass number of it is 200.

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Florine Wiza

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3y ago

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Mercury has an atomic number of 80 and a mass number of 200 How many neutrons are in one atom of mercury?

In one atom of mercury with a mass number of 200, there are 120 neutrons (mass number - atomic number = number of neutrons).


Mass number of mercury?

Mercury is a non metal element. Atomic mass of it is 200.59.


How many electrons are present in an atom of mercury whose mass atomic number is 80 and whose mass number is 201?

no of electrons in any atom is equal to the atomic number of that element so no of electron is 80


An isotope of mercury has 80 protons and 120 neutrons What is the mass number of this isotope?

The sum of the neutrons and protons is the mass number (A)In this problems,the answer for mass number of mercury isotope is:80 protons + 120 neutrons = 200


What is the number of neutrons and electrons of mercury?

The atomic number of Mercury(Hg) is 80; since atomic number of an atom= No. of protons.Thus No. of protons in Mercury is 80. Also No. of protons = No. of electrons (In an neutral Atom; which is not an ion).Therefore No. of electrons is also 80. Next, Mass number(Atomic Mass) of Mercury is 160. Mass Number(Atomic Mass)= No. of Protons + No. of Neutrons. Hence calculating that we get No. of Neutrons also to be 80. FYI; Electrons have negligible mass so they are not included in calculating Mass of an atom, which only requires the nucleus which contains only protons and neutrons


What is the mass number for mercury?

Mercury is a metal element. Mass number of it is 201.


What do you get when you change the mass number of an atom?

You can't change the mass number of an atom because the mass number is the number of protons which is the atom's atomic number I hope this helped :)


How can the number of neutrons in an atom be determined?

1. Locate the element on the periodic table.2. Find the element’s atomic number (which is the same as the number of protons)3. Find the element’s atomic weight.4. Round off the atomic weight to the nearest whole number to find the atomic mass.5. Subtract the atomic number from the atomic mass (The numbers after the decimal point represent the usually very small mass of the electrons in the atom.)


What is the sum of protons and neutrons in an atom?

Mass number!:)


What does the atomic mass describe?

the mass of an atom of a chemical element expressed in atomic mass units. It is approximately equivalent to the number of protons and neutrons in the atom (the mass number) or to the average number allowing for the relative abundances of different isotopes.


Mass number used to calculate the number of?

The mass number is used to calculate the number of nucleons in an atom. It represents the sum of protons and neutrons in the nucleus of an atom. By knowing the mass number, one can determine the approximate atomic mass of the atom.


Is atomic number the same as mass number?

Atomic number is the number of protons in the atom; atom mass is the total mass of the atom (usually neglecting the mass of the electrons because they have so little).