What is the charge of a beta particle? 0 1– 2+ 4+
2 answers:
Answer: Option (b) is the correct answer.
Explanation:
A beta particle is a particle with a negatively charged electron. Symbol of a beta particle is .
An alpha particles is basically a helium nucleus and it contains 2 protons and 2 neutrons.
Symbol of an alpha particle is .
A gamma particle is basically a photon of electromagnetic radiation with a short wavelength.
Symbol of a gamma particle is .
Therefore, we can conclude that the charge of a beta particle is 1-.
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Answer:
A = 65.46 u
Explanation:
Given that,
The composition of zinc is as follows :
Zn-64 = 48.63%
Zn-66 = 27.90%
Zn-67 = 4.10%
Zn-68 = 18.75%
Zn-70 = .62%
We need to find the average atomic mass of the given element. It can be solved as follows :
So, the average atomic mass of zinc is 65.46 u.