they are the negative particles in an atom
electronegativity
the electrons in the outermost shell of an atom are considered to be the valence electrons.
When an atom loses or gains electrons, it becomes an ion.
If you mean an atom with more electrons than protons it is called an ion. More specifically an anion (negatively charged)
An atom that has lost valence electrons is called a cation. This causes the atom to have a positive charge due to having more protons than electrons.
The outer electrons of an atom are called valence electrons.
Electrons in the outermost energy shell of an atom are called valence electrons.
All the electrons in an atom form the so-called cloud of electrons.
The space occupied by the electrons in an atom is called the electron cloud.
electronegativity
the electrons in the outermost shell of an atom are considered to be the valence electrons.
When an atom loses or gains electrons, it becomes an ion.
If you mean an atom with more electrons than protons it is called an ion. More specifically an anion (negatively charged)
The negatively charged particles that move around the atom's nucleus is called electrons.
The region between the nucleus and the electrons in an atom is called the electron cloud.
Electrons in the outermost energy shell of an atom are called valence electrons. These electrons determine the chemical properties of the atom and are involved in forming chemical bonds with other atoms.
An atom that has lost valence electrons is called a cation. This causes the atom to have a positive charge due to having more protons than electrons.