What part of it are you confused about
Answer: v = 2π2 Kme2 Z / nh
Explanation:
The formula for velocity of an electron in the nth orbit is given as,
v = 2π2 Kme2 Z / nh
v = velocity
K = 1/(4πε0)
m= mass of an electron
e = Charge on an electron
Z= atomic number
h= Planck’s constant
n is a positive integer.
Answer:
Chromium
Explanation:
Cr has 24 atomic number and mass number 52
Hey there,
Answer:
<span>Fierce by Abercrombie & Fitch.
Hope this helps :D
<em>~Top♥</em>
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