The definitive statement is 'Isotopes of an element have a different number of neutrons'.
Taking hydrogen as an example.
It has three isotopes;-
#1 ; protium ; 1 proton, 0 neutrons, 1 electron ( The commonest isotope)
#2 ; deuterium ; 1 proton, 1 neutron, 1 electron ( also known as heavy hydrogen)
#3 ; tritium ; 1 proton , 2 neutrons, 1 electron ( radio-active; and also known as super heavy hydrogen).
Note in each case the different number of neutrons.
They differ from each other in the number of neutrons, and therefore also the mass. They will also have different stabilities (for example, some of them may be radioactive), but this is complicated.
Isotopes
Atoms have protons and neutrons in the nucleus and electrons in the shells.
The number of protons = the number electrons
The mass of the atom is due to the protons and neutrons in the nucleus.
Copper is number 29 on the Periodic Table, which means all copper atoms have 29 protons in the nucleus.
Copper has two naturally occurring isotopes. Cu- 63 has 29 protons and 34 neutrons and has an Atomic Mass of 62.93. Cu-65 has 29 protons and 34 neutrons and has an atomic mass of 64.93.Isotopes have different numbers of neutrons.
The number of neutrons contained in the nucleus.
Isotopes of the same element differ in the number of neutrons. Isotopes have different physical properties but similar chemical properties.
Isotopes of an element have different numbers of neutrons.
They differ in their number of neutrons.Atoms of all isotopes of carbon contain 6 protons and 6 electrons.Carbon-12 is the most common isotope.Isotopes of an element differ because each isotope has a different neutrons, but the same amount of protons.Example: H-1H-2H-1 has 1 neutron, 1 proton, and 1 electronH-2 ,however, has 2 neutrons, 1 proton, and 1 electron.
No! Nuclides with different element names are never isotopes of each other, because their nuclei contain different numbers of protons and therefore are not chemically alike.
The two isotopes of chlorine are the same in that they have the same number of protons, which is the atomic number. The neutral atoms of each isotope also have the same number of electrons as protons. They differ in the number of neutrons.
Isotopes of the same element differ in the number of neutrons. Isotopes have different physical properties but similar chemical properties.
The number of neutrons is different.
Isotopes of an element have different numbers of neutrons.
They have the same formulas but different organic structures.
The number of neutrons is different.
No they don't have. Isotopes of an element differ in mass from from each other and this is due to the different no. of electrons in their nucleus.
they are different isotopes of copper 1 has 2 more neutrons than the other
Isotopes differ each other from the number of neutrons which is a chemically inert subatomic particle.
They differ from each other in the number of neutrons, and therefore also the mass. They will also have different stabilities (for example, some of them may be radioactive), but this is complicated.
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istopes
They differ in their number of neutrons.Atoms of all isotopes of carbon contain 6 protons and 6 electrons.Carbon-12 is the most common isotope.Isotopes of an element differ because each isotope has a different neutrons, but the same amount of protons.Example: H-1H-2H-1 has 1 neutron, 1 proton, and 1 electronH-2 ,however, has 2 neutrons, 1 proton, and 1 electron.