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DF3VI > TECHNIK 16.02.04 19:05l 18 Lines 702 Bytes #999 (0) @ WW
BID : G2EDB0OVN00T
Read: DB0FHN GUEST OE7FMI
Subj: RE:G0ANS / atomic weight
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Sent: 040216/1756z @:DB0OVN.#NRW.DEU.EU [BCM West<>Link-Neuss] obcm1.05b9
From: DF3VI @ DB0OVN.#NRW.DEU.EU (Patrick)
To: TECHNIK @ WW
X-Info: Sent with login password
The correct term is "atomic mass". Here they are:
Oxygen: atomic mass 16 U(Units)
Nitrogen: atomic mass 14 U
Carbon: atomic mass 12 U
There are isotopes that weigh 1 or 2 U more (e.g. the famous C14, which is not
14 C-atoms in a molecule, but a single C-atom with two more neutrons).
If a proton instead of a neutron is added to a nucleus, then you get to the
next element instead of an isotope of the same.
For example, H3-Tritium (Hydrogenium with two neutrons) and He3 (Helium with
one missing neutron) have the same atomic mass of 3U, but different numbers
of protones and neutrones.
73, Patrick
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