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Because it has 29 protons in its nucleus. The atomic number is the number of protons in an elements nucleus.

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15y ago
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15y ago

The atomc number of an element is the number of protons it contains. Therefore, the atomic number of copper is 29

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14y ago

The atomic number is equal to the number of protons in any element. Copper has 29 protons.

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7y ago

The number of protons is 29.

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2y ago

29 Protons

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7y ago

29

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6y ago

29

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Q: An atom of copper has a mass number of 63 and an atomic number of 29. How many protons does it have?
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Related questions

How many protons does an atom of copper have?

A copper atom has 29 protons in its nucleus. The number of protons of an atom is equal to the atomic number of the element in the periodic table.Copper's atomic number is 29, so a copper atom contains 29 protons.Atomic number = number of protons.It contains 29 electrons,29 protons and 34 neutrons.As copper is element number 29, it has 29 protons. The proton number is the same as the element number shown in the periodic table.


How may protons are there in a copper atom?

Thee same as the atomic number of copper: 29.


Does copper have electrons in it?

Yes, an atom of copper contains electrons. copper is a neutral atom, thus the number of protons will equal the number of electrons. coppers atomic number is 29, thus there are 29 electrons and 29 protons in a copper atom.


The number of protons in an atom of an element?

It is equal to the no. of electrons in the atom. It is called the atomic number.


A sub atomic particle which determines the atomic number?

The atomic number of an element is equal to the number of protons in the nucleus of that element.


The atomic number of an atom is equivalent to which of the following?

The atomic number of an atom is equivalent to the number of protons in its nucleus.


Number of protons in a an atom of an atom?

The number of protons in an atom is its atomic number.


What is the atomic number of an atom determained by the number of what?

The atomic number of an atom is determined by the number of protons it has.


How many protons does an atom have if its atomic number is 4?

The atomic number IS the number of protons in the atom's nucleus.


Can an atomic number tell you how many protons an atom has?

The atomic number is the number of protons in an atom's nucleus.


The amount of protons in an atom is the atomic?

The amount of protons in an atom is its atomic number


How is an atom's atomic number related to the number of protons?

Directly. An atom's atomic number IS the number of protons in the nucleus.