the basic structure of an atom without getting into really advanced and/or theoretical physics is this:
at the center of an atom is a nucleus. because of the size of the nucleus, it exerts an attractive force. in orbitals, or 3-d "rings" around the nucleus, there are electrons. there can be several orbitals in one atom. sometimes, these orbitals are referred to as "energy levels." each energy level is sort of like the sections of a stadium: there are a certain number of "seats" in each section, and once tickets for all of those seats have been sold, you have to move to another section. similarly, each energy level can accommodate a certain number of electrons and once it has accepted it's maximum number of electrons, extra electrons have to move to another section or orbital.
the energy level closest to the nucleus is called the ground level and it is always filled first. energy levels are filled by placing electrons in the levels closest to the nucleus first and gradually working your way out. if an outer energy level has more seats than it does electrons, it will try to find other electrons to fill the seats. depending on the atom, it will either kick an electron out of the orbital or attract an electron to it. let's go with an example:
let's say atom A has all of its energy levels filled except for it's fourth. in the fourth level, it can hold five electrons, but it only has one electron living there. atom B has all of it's energy levels filled except for it's sixth, which can hold three electrons but only has two. if these atoms are brought close to each other, atom B will notice that atom A has an extra electron. since it is easier for atom A to give up one electron than it is for atom B to give two to atom A, atom A will share its one electron with atom B, filling atom B's outermost energy level
An ions is formed when an atom gains or loses electrons.
The nucleus of a hydrogen atom is formed by a single proton.
When an atom gains electrons, negatively charged anions are formed. When an atom loses electrons, positively charged cations are formed.
The center of the atom is the nucleus formed from protons and neutrons.
Anion
Atom is formed of electrons, protons and neutrons.
An ions is formed when an atom gains or loses electrons.
An ions is formed when an atom gains or loses electrons.
Ions are formed when an atom gains or loses electrons. When an atom loses electrons the Ion that is formed has a positive charge.
The bond angle formed by an axial atom, the central atom, and an equatorial atom in a trigonal bipyramidal molecular geometry is approximately 90 degrees.
The nucleus of a hydrogen atom is formed by a single proton.
Ionic
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a proton
An ions is formed when an atom gains or loses electrons.
A covalent bond is formed when electrons are transferred from atom to atom.
When an atom gains electrons, negatively charged anions are formed. When an atom loses electrons, positively charged cations are formed.