Collections:
Chemical Element #2: Helium (He)
Atomic Number: 2, Element Symbol: He, Element Name: Helium, Atomic Mass: 4.00260 u.
Detailed Properties:
Atomic Number: | 2 |
Element Symbol: | He |
Element Name: | Helium |
Electron Configuration: | 1s2 |
Atomic Mass: | 4.002600 u |
Melting Point: | 0.95 K |
Boiling Point: | 4.22 K |
Stable Isotopes:
Isotope | Mass | Abundance |
3He | 3.016029 | 0.000001 |
4He | 4.002603 | 0.999999 |
✍: FYIcenter.com
2021-07-20, 572👍, 0💬
Popular Posts:
Molecule Summary: ID: FYI-1002284 Names: InChIKey: OGVBLMOKWOEKIO-UHFFFAOYS A-NSMILES: COn3c1ccccc1c...
Molecule Summary: ID: FYI-1000317 SMILES: O=C(Nc1ccccc1CN1CCCC1)C( =O)N1CCCCCCC1Received at FYIcente...
Molecule Summary: ID: FYI-1002994 Names: InChIKey: ZXMXRXCCHDGDFA-UHFFFAOYS A-NSMILES: COc5cccc(c4cc...
Molecule Summary: ID: FYI-1003703 Names: InChIKey: OGEJBBPFFLOZKJ-UHFFFAOYS A-NSMILES: CC(=O)C3CCC4C...
Molecule Summary: ID: FYI-1000278 SMILES: OC(C)CO Received at FYIcenter.com on: 2021-03-03