## Question

###### An isotope of copper contains 34 neutrons. What is its notation?

An isotope of copper contains 34 neutrons. What is its notation?

## Answers

The copper nucleus contains

#29# protons, so we have#""^63Cu# .## Explanation:

The superscript is the sum of protons and neutrons, massive nuclear particles with a positive or a neutral charge. How did I know that copper has 29 protons in its nucleus?

If I have a neutral atom of

#""^63Cu# , how many electrons are there?IF there were 35 neutrons, how would I write the isotope?

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