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Helium is a metal element. Atomic number of it is 2.
Chanel Huels
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What is helium's atomic?
Helium's atomic number is 2 and its atomic mass is 4
4.002 is the atomic mass of which element?
We can find helium as a non metal element. Atomic number of it is 2.
What is the symobel and atomic number and atomic mass for helium?
Symbol: He atomic #: 2 atomic mass: 4.002602
What is atomic weight of helium?
4.002602 g/mol
What is the mass number of helium atom?
The atomic number of helium is 2. Its mass is 4.002602 u ± 0.000002 u
What is the atomic number of a helium atom?
The atomic number of Helium is 2 because there are 2 protons and 2 electrons.
How do you calculate mass number of an atom?
The atomic mass is the number of protons plus the number of neutrons. The number of protons is identical to the atomic number (as well as electrons, but these don't matter right now). So, let's take helium. It has 2 protons and 2 neutrons, therefore the atomic mass # of helium is 4. Helium weighs 4 Atomic Mass Units (AMU).
How much does atomic mass helium have?
It's just 4.002602 amu
What has got 4 mass number and 2 atomic number?
Helium
What is the atomic number and atomic mass number of the element that is formed in the following nuclear reaction that takes place in the sun?
The atomic number is 2, and the atomic mass is 4 (helium)
What does it mean if helium has mass?
atomic mass is the number of protons in that element molecule.
Draw atom with mass number 4 and atomic number 2?
Helium is a non metal element. Atomic mass number of it is 4.
