In some elements (and isotopes), the number is the same.
In most, however, the number is different.
an isotope is defined by an atom with the same number of protons, but a different number of neutrons
False. The atom that has the same number of protons as it has electrons is a neutral atom.
All the isotopes of an atom have the same number of protons but different number of neutrons.
No many elements have multiple isotopes with different numbers of neutrons. Every atom of a certain isotope has the same number of neutrons
This atom has three neutrons. The atomic mass number is the sum of the protons and neutrons. All atoms of the same element have the same number of protons (lithium has three), so the neutrons have to account for the rest of the mass. 6 (the mass number)-3 (the number of protons in a lithium atom)=3. So this atom must have three neutrons.
an isotope is defined by an atom with the same number of protons, but a different number of neutrons
False. The atom that has the same number of protons as it has electrons is a neutral atom.
All the isotopes of an atom have the same number of protons but different number of neutrons.
No many elements have multiple isotopes with different numbers of neutrons. Every atom of a certain isotope has the same number of neutrons
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Yes. Atoms with a different number of neutrons are called isotopes of that atom, but a variation in the number of neutrons does not change what the atom is.
not usually, a standard atom will contain the same amount of electrons and PROTONS, not neutrons
This atom has three neutrons. The atomic mass number is the sum of the protons and neutrons. All atoms of the same element have the same number of protons (lithium has three), so the neutrons have to account for the rest of the mass. 6 (the mass number)-3 (the number of protons in a lithium atom)=3. So this atom must have three neutrons.
no they do not
If the number of protons and neutrons are the same, its an atom, if not its an ion
isotope
Isotopes.