[Answered] In neutron capture by an atomic nucleus, the mass number of the nucleus changes by a. 2. b. 1. c. ...

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Author Question: In neutron capture by an atomic nucleus, the mass number of the nucleus changes by a. 2. b. 1. c. ... (Read 190 times)

awywial

Hero Member
Posts: 577

on: Jul 28, 2018

In neutron capture by an atomic nucleus, the mass number of the nucleus changes by
a. 2.
b. 1.
c. 0.
d. +1.
e. +2.

Question 2

The present standard for time is based on
a. the transition of an electron between two energy levels of the cesium-133 atom.
b. Earth's rotation.
c. Earth's orbit.
d. none of these.

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ciecieme

Sr. Member
Posts: 331

Reply #1 on: Jul 28, 2018

Answer to Question 1

d

Answer to Question 2

a

awywial

Hero Member
Posts: 577

Reply #2 on: Jul 28, 2018

ciecieme

Sr. Member
Posts: 331

Reply #3 on: Jul 28, 2018

You're welcome

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