All atoms have actually same atomic number because number of electrons in all atoms room same.

You are watching: In a sample of pure copper all atoms have atomic numbers which are

Explanation

Every atom consists nucleus or a hopeful center. The protons and also neutrons are current with in the nucleus while electron are present out side the nucleus. All these 3 subatomic particles build an atom. The variety of protons or variety of electrons space the atomic variety of an atom while the variety of protons and variety of neutrons are the mass number of an atom. A neutral atom have actually equal number of protons and electrons. In other words we can say that an adverse and hopeful charges are equal in magnitude and also cancel the every other.

For example:

Atomic number of copper is 29 it have 29 electrons and 29 protons.

While its atom mass is 63.546 and have 35 neutrons.



Answer from: raylynnreece4939

Explanation:

Atomic variety of an atom is in reality the sum of total number of protons existing in it. And, atom mass is the sum of total number of protons and neutrons present in an atom.

And, as soon as an atom is neutral in nature climate the number variety of electrons existing in it is equal to the number of protons in it.

For example, atomic number of copper is 29 and also atomic mass of copper is 63.

This method that a sample of pure copper will have all atoms has an atom number 29, the is, variety of protons is 29.

And, variety of electrons is additionally 29 and number of neutrons is 35.



Answer from: kbuhvu
Atomic number is just one of the identity of a certain element. This involves how many proton are present inside the nucleus of the atom. The atom has three most renowned subatomic particles: (1) proton, (2) electron and also (3) neutron. Both proton and neutron are uncovered inside the nucleus if the electrons room in the power level clouding outside the nucleus. The answer come this item therefore is the the atomic number of all the neutral atom of copper is 29. 
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