ZR Speaker Lab was created in 1983.
The noble gas in the same period as Zr (Zirconium) is Kr (Krypton). Both Zr and Kr are in the fourth period of the periodic table.
Zirconium, a transition element with an atomic number of 40, has several isotopes, and each has a different mass number. Zr-88 (mass number 88), Zr-89 (mass number 89), Zr-90 (mass number 90), Zr-91 (mass number 91), Zr-92 (mass number 92), Zr-93 (mass number 93), Zr-94 (mass number 94) and Zr-96 (mass number 96).
The electron configuration of zirconium (Zr) is Kr 5s² 4d². When zirconium loses three electrons to form Zr³⁺, it typically loses the two 5s electrons first, followed by one 4d electron. Therefore, the electron configuration for Zr³⁺ is Kr 4d¹.
zirconium, Zr
The equation for the radioactive decay of Zr-95 (zirconium-95) can be expressed using the decay constant (λ) in the exponential decay formula: ( N(t) = N_0 e^{-\lambda t} ), where ( N(t) ) is the quantity of Zr-95 remaining at time ( t ), ( N_0 ) is the initial quantity, and ( \lambda ) is the decay constant specific to Zr-95. Zr-95 has a half-life of approximately 64 days, which can also be used to derive λ using the relationship ( \lambda = \frac{\ln(2)}{t_{1/2}} ).
ZR Speaker Lab's motto is 'Perfection. Soul. Harmony.'.
MG ZR was created in 2001.
The LAB was created in 1984.
League Lab was created in 2009.
LAB HD was created in 2004.
Black Lab was created in 1995.
Animation Lab was created in 2006.
Puppet Lab was created in 1982.
Carry Lab was created in 1981.
Kaspersky Lab was created in 1997.
Lab Report was created in 1989.
Linden Lab was created in 1999.