-
condensation on
solid argon.
ArCrO absorbs at 846.3 cm−1,
ArMn
O at 833.1,
ArFe
O at 872.8,
ArCo
O at 846.2, Ar58Ni
O at 825.7 and Ar60Ni
O at 822.8 cm−1. All these...
- T
Coronae Borealis (T
CrB),
nicknamed the
Blaze Star, is a
binary star and a
recurrent nova
about 3,000 light-years (920 pc) away in the constellation...
- H3PO2 + 2 Cr2O3 → 4
CrO + H3PO4 It is
readily oxidized by the atmosphere.
CrO is basic,
while CrO3 is acidic, and Cr2O3 is amphoteric.
CrO occurs in the spectra...
-
Chromium is a
chemical element; it has
symbol Cr and
atomic number 24. It is the
first element in
group 6. It is a steely-grey, lustrous, hard, and brittle...
- one
electron to the 4s s**** ([
Ar] 4s1), and
calcium then
completes it ([
Ar] 4s2). However,
starting from
scandium ([
Ar] 3d1 4s2) the 3d subs**** becomes...
- In mathematics, a
CR manifold, or Cauchy–Riemann manifold, is a
differentiable manifold together with a
geometric structure modeled on that of a real hypersurface...
- alpha-elements (Ne, Mg, Si, S,
Ar, Ca, and Ti)
while Type Ia
supernovae mainly produce elements of the iron peak (Ti, V,
Cr, Mn, Fe, Co, and Ni). Sufficiently...
- v ES
Mostaganem O. M'Chedallah v
AR Tebessa SF Oum El
Bouaghi v MF
Bouchegouf CM
Batna v ALS
Batna NC
Magra v NE
Bouira CVR
Blida v
CR Belouizdad ASD Tizi...
-
temperature of the
binary Ap star β
CrB from CHARA/FLUOR and VLT/NACO observations".
Astronomy and Astrophysics. 512: 7.
arXiv:0912.3215. Bibcode:2010A&A....
-
Monoatomic (composed of one atom).
Examples include He (helium), Ne (neon),
Ar (argon), and Kr (krypton). All
noble gases are monoatomic.
Diatomic (composed...
