Ch. 7&8 vocab

A force that holds two or more atoms together.

• magnetic bond
• physical bond
• chemical bond
• emotional bond

The outer most electron of an atom that participates in chemical bonding.

• Core electron
• Conduction electron
• Valence electron
• Excited electron

A model that represents valence electrons in an atom as dots around the elements chemical symbol.

• Dalton Model
• Rutherford Model
• Electron Dot Diagram

• Bohr Model

A chemical bond formed when two atoms share one or more pairs of valence electrons.

• Covalent bond
• Ionic bond
• Metallic bond
• Hydrogen bond

Two or more atoms that are held together by covalent bonds and act as a unit.

• Solution
• Compound
• Element
• Molecule

A molecule with a slight negative charge in one area and a slight positive charge in another area.

• Nonpolar molecule
• Charged molecule
• Neutral molecule
• Polar molecule

A group of chemical symbols and numbers that represent the elements and the number of atoms of each element that make up a compound

• Chemical equation
• Elemental composition
• Atomic structure
• Chemical formula

An atom that is no longer neutral because it has lost or gained valence electrons.

• Uncharged atom
• Neutral atom
• Ion

• Ionized atom

The attraction between positively and negatively charged ions in an ionic compound.

• Covalent bond formation
• Metallic bond

• Ionic bond

• Hydrogen bond formation

A bond formed when many metal atoms share their pooled valence electrons.

• Metallic bond
• Hydrogen bond
• Covalent bond
• Ionic bond