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He is helium: it has 2 protons, 2 electrons and 2 neutrons, only less than 0.001% of He has only 1 neutron (He-3 isotope)
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∙ 12y ago
Wiki User
∙ 14y agoif its stable then it has 2 protons 2 neutrons and 2 electrons...of course if it isn't that may vary!
go twilight!
go muse!....go Peramore!!!!!!
Wiki User
∙ 11y agoHelium has two protons and two neutrons as its atomic number is 2. For He-4 isotope, there are two neutrons.
Wiki User
∙ 11y ago2 Neutrons.
2 Protons.
Wiki User
∙ 13y ago2 neutrons
Wiki User
∙ 12y ago2
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What is the total amount of protons and neutrons in an atom?
The total amount of protons and neutrons in an atom is its mass number.
The atomic mass of an atom is determined by the combined masses of its what?
The total number of protons plus the total number of neutrons
What particles make up the mass of an atom?
The number of protons
The nucleus of an atom is constituted of?
Protons and Neutrons.
In a magnesium atom where are the protons and neutrons?
In an atom protons and neutrons are located in the atomic nucleus.
What is the total amount of protons and neutrons in an atom?
The total amount of protons and neutrons in an atom is its mass number.
What is equal to the total number of protons and neutrons?
If you add the number of protons to the number of neutrons in an atom, you have calculated that atom's atomic mass.
Where are protons and neutrons in an atom?
protons and neutrons are located in the atom's nucleus.
The atomic mass of an atom is determined by the combined masses of its what?
The total number of protons plus the total number of neutrons
What is the total number protons and neutrons in an atom called?
mass number = protons + nuetrons
What particles make up the mass of an atom?
The number of protons
The nucleus of an atom is constituted of?
Protons and Neutrons.
When the central region of an atom where its neutrons and protons are?
The protons and neutrons of an atom are found in the nucleus of the atom.
The mass number of an atom indicates the number of what?
The mass number is the sum of protons + neutrons.
What is the total amount of protons and neutrons in an atom called?
The atomic mass.
What is the total mass of the protons and neutrons in an atom called?
atomic mass : )
What two subatomic particles contribute to the amu?
Protons and neutrons. The amu of an atom is the total number of protons and neutrons added together.
