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Helium atom has 2 protons and 2 neutrons (that accounts for its atomic weight). The atomic weight of helium is 4.00260
Wiki User
∙ 10y ago
The atomic weight of a helium atom is approximately 4.0026 Atomic Mass units (amu). This weight is calculated based on the average weight of all naturally occurring isotopes of helium.
Wiki User
∙ 11y ago4.002602 g/mol
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Is a lead atom heavier than a helium atom?
Yes, a lead atom is heavier than a helium atom. Lead has a higher atomic number and mass compared to helium. Lead is a heavy metal, while helium is a light gas.
How many electrons does an atom of helium have atomic?
An atom of helium has 2 electrons.
What is the helium weight?
Helium's atomic weight = 4 amu
What is the atomic number of a helium atom?
The atomic number of a helium atom is 2, which means it has 2 protons in its nucleus.
What is the mass of a single atom of helium?
The mass of a single atom of helium is approximately 4 atomic mass units (4 amu).
Is a lead atom heavier than a helium atom?
Yes, a lead atom is heavier than a helium atom. Lead has a higher atomic number and mass compared to helium. Lead is a heavy metal, while helium is a light gas.
How can you figure the numbers of neutrons in an atom?
You subtract the atomic number from the atomic weight. For example, if you have a helium atom and its atomic weight is 4 and you subtract its atomic number (2) the number of neutrons in the helium atom is 2.
How can you figure out the number of neutrons in an atom?
You subtract the atomic number from the atomic weight. For example, if you have a helium atom and its atomic weight is 4 and you subtract its atomic number (2) the number of neutrons in the helium atom is 2.
How many electrons does an atom of helium have atomic?
An atom of helium has 2 electrons.
What does the number 2 and 4003 mean of helium?
Helium has atomic number 2. That means the helium atom has 2 protons and two electrons. The standard atomic weight of helium is 4.002602, or 4.003 rounded to 3 decimal places.
What is the helium weight?
Helium's atomic weight = 4 amu
What is atomic weight of helium?
4.002602 g/mol
What is the atomic number of a helium atom?
The atomic number of a helium atom is 2, which means it has 2 protons in its nucleus.
What is the atomic mass for an atom of helium?
4.0026 amu
What is the mass of a helium atom?
The mass of a helium atom is approximately 4 atomic mass units (amu), which is equivalent to 4.002602 atomic mass units.
What that atom has 1 neutron(s) and 2 proton(s). What is its atomic number?
This isotope of helium is helium-3; the atomic number of helium is 2.
What atom has an atomic number 2?
Helium has the atomic number 2 and is the second most abundant substance in the universe.
