Chemistry Vocab
Across
- 6. The attractive force that holds atoms or ions together.
- 9. A chemical bond that involves sharing a pair of electrons between atoms in a molecule.
- 13. The condition of an atom expressed by the number of electrons that the atom needs to reach its elemental form.
- 15. A positively charged ion.
- 17. A covalent bond in which two atoms share one pair of electrons.
- 19. Diagrams that show the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.
- 21. Ions formed from a single atom.
- 23. Gives the simplest whole number ratio of the ions which form an ionic compound.
- 24. A substance made up of atoms of two or more different elements joined by chemical bonds.
Down
- 1. Bonding at least two nonmetals and have an electromagnetically difference.
- 2. A bond formed by the attraction between positively charged metal ions and the electrons around them.
- 3. The basic unit of a chemical element.
- 4. Electrons on the outermost energy level of an atom.
- 5. An ionic compound whose aqueous solution conducts an electric current.
- 7. A compound that is composed of molecules.
- 8. States that atoms lose, gain or share electrons in order to acquire a full set of eight valence electrons.
- 10. A chemical bond resulting from the attraction between oppositely charged ions.
- 11. A charged group of covalently bonded atoms.
- 12. A chemical bond formed when atoms share three pairs of electrons.
- 14. A charged atom.
- 16. A negatively charged ion.
- 18. Hydrogen and helium only want two electrons.
- 20. A chemical bond formed when atoms share two pairs of electrons.
- 22. Metal and nonmetal elements join together.