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The space surrounding the nucleus.
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What is the mass of calcium atom compared with the mass of helium atom?
The mass of a calcium atom is around 40 atomic mass units (u), while the mass of a helium atom is around 4 atomic mass units (u). Therefore, the mass of a calcium atom is 10 times greater than the mass of a helium atom.
What is the mass of an atom concentrated on?
virtually all the mass in concentrated in the nucleus of the atom, as the electron's mass is so small, it is negligible.
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.
Which atom has atomic number zero and mass number zero?
An atom with atomic number zero and mass number zero does not exist in nature. The atomic number represents the number of protons in the nucleus, and an atom must have at least one proton to be stable.
Why does not an atom of an element represent the actual mass of its atom?
An atom of an element does not represent the actual mass of its atom because the atomic mass listed on the periodic table is an average mass calculated based on the relative abundance of different isotopes of the element. Isotopes are atoms of the same element with differing numbers of neutrons, so the actual mass of an atom of a specific isotope may vary slightly from the average atomic mass.
Which region of an atom has no mass?
Almost all of the volume of an atom has no mass.
Which in an atom has the least mass in an atom?
Which particle? The electron.
What region of an atom has all the weight?
No region has all the weight, but the vast majority of the mass of an atom is in the nucleus.
What particle found in an atom has the least mass?
the electron
What has the least mass in an atom?
The election within an atom would have the least mass. Protons and neutrons have a mass roughly that of 1amu, while an electron's is 1/1840 of an amu.
What is the region in an atom that contains most of the mass of an element?
the nucleus
What stable particle found in an atom has the least mass?
the electron
What element in the universe has the smallest atom?
the atom with the least mass is the hydrogen atom
Which particle has the least mass within an atom?
The three particles that make up an atom are protons, neutrons and electrons. Protons and neutrons both have a mass of 1 unit, whereas the mass of an electron is 1/1837 of that of a proton or a neutron. Therefore, the electron has the least mass as its mass is considered negligible.
Which has the least amount of mass a molecule an atom an electron a neutron a proton?
The mass of an electron is the least among the options given here.
Which atomic particle has the least mass?
An electron has the least mass among the three fundamental particles of an atom, which includes protons and neutrons.
What part of the atom contains the least atomic mass?
Electron. Contains basicaly no mass what so ever.
