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They are called isotopes,
These atoms are called isotopes and they have a different number of neutrons.
Molecules made up of different elements (different atoms) are called compounds.
Atoms that have different mass numbers but the [same] number of protons are called isotopes.
Yes, an element is made of millions of atoms with the same number of protons and electrons, but some atoms will have a slightly different number of neutrons. These different atoms are called isotopes.
The elements (not atoms) in family 1 (group I) are called alkali metals.
Two or more atoms that are alike or different are called molecules.
They are called isotopes,
Atoms which have different number of protons and neutrons but have the same molecular weight are called Isobars.
These atoms are called isotopes and they have a different number of neutrons.
Molecules made up of different elements (different atoms) are called compounds.
These atoms are called isotopes.
These atoms are called isotopes.
Two or more different atoms bonded together is called a compound.
Atoms that have different mass numbers but the [same] number of protons are called isotopes.
molecule
It is called a compound.