Across
- 1. an ion with a positive charge
- 2. bond the force that holds atoms or ions together as a unit
- 4. an ion with a negative charge
- 5. a neutral group of atoms that are joined together by one or more covalent bonds
- 8. bond a chemical bond in which two atoms share a pair of valence electrons
- 9. covalent bond a covalent bond in which electrons are not shared equally
Down
- 1. formula notation that shows what elements a compound contains and the ratio of the atoms or ions of these elements in the compound
- 3. an atom or group of atoms that has a positive or negative charge
- 5. bond the attraction between a metal cation and the shared electrons that surround it
- 6. dot diagram a diagram of an atom, ion or molecule in which each dot represents a valence electron
- 7. bond the force that holds cations and anions together
- 10. a mixture of two or more elements, at least one of which is a metal, that has the characteristic properties of a metal