Problem: An atom of the element of atomic number 84 and mass number 199 emits an alpha particle. The residual atom after this change has an atomic number of ___ and a mass number of ___. (A) 82, 195 (B) 84, 203 (C) 85, 195 (D) 86, 199

🤓 Based on our data, we think this question is relevant for Professor Carpenter & Hamilton's class at UMBC.

FREE Expert Solution
Problem Details

An atom of the element of atomic number 84 and mass number 199 emits an alpha particle. The residual atom after this change has an atomic number of ___ and a mass number of ___.

(A) 82, 195

(B) 84, 203

(C) 85, 195

(D) 86, 199

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Alpha Decay concept. If you need more Alpha Decay practice, you can also practice Alpha Decay practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofAn atom of the element of atomic number 84 and mass number 1...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Jules took 1 minute and 33 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Carpenter & Hamilton's class at UMBC.