What is the number of protons and electrons in copper?

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Multiple Choice

What is the number of protons and electrons in copper?

Explanation:
The number of protons in an element is its atomic number, and in a neutral atom the number of electrons matches the number of protons. Copper has atomic number 29, so it has 29 protons. In a neutral copper atom, there are also 29 electrons. Therefore, copper has 29 protons and 29 electrons.

The number of protons in an element is its atomic number, and in a neutral atom the number of electrons matches the number of protons. Copper has atomic number 29, so it has 29 protons. In a neutral copper atom, there are also 29 electrons. Therefore, copper has 29 protons and 29 electrons.

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