The electron configuration of beryllium is written as [He] 2s2. This means that it has 2s2 electrons above the configuration of Helium.
Electronic configuration of beryllium: 1s2.2s2.
[He] 2S2 is the noble gas electron configuration for beryllium.
The electron configuration of beryllium is: 1s22s2. The atomic weight (not mass) of beryllium is 9,012 183(3).
The electron configuration of beryllium is 1s22s2.
Electronic configuration of beryllium: 1s2.2s2
The electron configuration for beryllium, Be, is 1s22s2.
Beryllium electron configuration is [He]2s2.
The electron configuration of beryllium is 1s2 2s2.
Beryllium would have that configuration
Electronic configuration of beryllium: 1s2.2s2.
Electronic configuration of beryllium: 1s2.2s2.