Atoms are considered to be of the same element if they have the same number of protons. If their atoms have a different number of NEUTRONS, they are known as ISOTOPES of the same element.
PROTONS
It is possible only because of different number of neutrons.
Isotopes of an element have different masses because their nuclei have different numbers of neutrons.
Because of the difference in mass number. Isotopes must have different numbers of neutrons.
Isotopes have different numbers of electrons, but not different atomic numbers (numbers of protons) or they'd be different elements.
Different compounds have different numbers of constituent elements. here is no set number.
Because different elements have different numbers of protons, which determines the atomic number.
Because they have their own Numbers's own. Carbon and their own chemical.
Different elements have different numbers of protons. The number of protons identifies the element.
It is possible only because of different number of neutrons.
Isotopes of an element have different masses because their nuclei have different numbers of neutrons.
Neutrons.
Because of the difference in mass number. Isotopes must have different numbers of neutrons.
atomic numbers
They have different numbers of protons
They have different numbers of valance electrons
They have different numbers of valence electrons.
They have different numbers of valance electrons