Atoms and bonding
Ionic Bonding Covalent Bonding
an atom or group of atoms that has an electrical charge.
Ions that are made of more than one atom.
Attraction of two oppositely charged particles.
a compound that consists of positive and negative ions. Hard, brittle crystals that have High boiling+melting points. Conduct electricity when dissolved in water.
Combination of symbols representing the ratio of two elements.
Tells you the ratio of elements in the compound
a three-dimensional arrangement formed by ions in am ionic bond.
A positive ion
When an atom loses an electron, it becomes_________.
A negative ion
When an atom gains an electron, it becomes_________.
The attraction of each atom's nucleus for the shared pair of electrons.
a neutral group of atoms joined by covalent bonds
a covalent bond in which two pairs of electrons are shared between two atoms
a covalent bond in which two atoms share three pairs of electrons
a compound that is composed of molecules; have low melting+boiling points. Do not conduct electricity when dissolved in water.
A covalent bond in which electrons are shared unequally. Have slight electrical charges.
A covalent bond in which electrons are shared equally.
is an atom with more or less neutrons than protons.
an isotope can be neutral if the electrons and protons are equal (Neutral Isotope)