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Lesechka [4]
3 years ago
15

What is missing in the following nuclear equation? 99 TC → ? + 99 Ru 43 44

Biology
1 answer:
Zolol [24]3 years ago
8 0

Answer: A beta particle

Explanation:

A beta particle is simply a high energy electron that is emitted from the nucleus. It DOES NOT affect the mass number of radioactive element TC, but affects the ATOMIC NUMBER by increasing it by 1 in Ru.

Thus mass number 99 remain the same in TC and Ru, but Atomic number increases from 43 to 44 due to beta decay

So, a beta particle is missing

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