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Name: Helium
Symbol: He
Atomic Number: 2
Atomic Mass: 4.002602 amu
Melting Point: -272.0 °C (1.15 K, -457.6 °F)
Boiling Point: -268.6 °C (4.549994 K, -451.48 °F)
Number of Protons/Electrons: 2
Number of Neutrons: 2
Classification: Noble Gas
Crystal Structure: Hexagonal
Density @ 293 K: 0.1785 g/cm3
Color: colorless
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∙ 12y ago
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What is the atomic number for helium?
The atomic number of Helium is 2.
What is the element number for helium?
Helium's atomic number is 2.
What does the number 2 indicate in helium?
2 is the atomic number (or the number of protons) of helium.
What is the atomic number of helium's outer shell?
The outer shell of helium does not have an atomic number, that number belongs to helium itself whose atomic number is 2.
Name the noble gas withe the smallest atomic number?
He- Helium. He- Helium.
What is the atomic number for helium?
The atomic number of Helium is 2.
What is the element number for helium?
Helium's atomic number is 2.
What is the atomic number of this element helium?
The atomic number of helium (He) is 2.
What does the number 2 indicate in helium?
2 is the atomic number (or the number of protons) of helium.
What is the simble for helium?
The symbol of Helium is He. Helium's atomic number is 2.
What is the atomic number of helium's outer shell?
The outer shell of helium does not have an atomic number, that number belongs to helium itself whose atomic number is 2.
What is the element name for He?
Helium Helium
Name the noble gas withe the smallest atomic number?
He- Helium. He- Helium.
How many atomic number are in helium?
The atomic number of the element Helium is two.
What is the number of helium in the periodic table?
the number of helium in the periodic table is 2.
What does a number 4 indicate for helium?
4 is the mass number of helium (mass number = number of protons + number of neutrons)
What is the number of proteins does helium has?
None. Helium is an element.
