Ch. 5 Atoms and Bonding
Vocabulary Words
pd__
Name_________________
Mr. Vohs-8th Grade Physical Science. Recommended:Choose the 9 words that seem the most unfamiliar to you.
1.
Valence electron
2.
3.
4.
Electron dot
diagram
Chemical bond
Ion
5.
6.
7.
8.
Polyatomic ion
Ionic bond
Ionic compound
Chemical formula
9.
Subscript
10. Crystal
11. Covalent bond
12. Molecule
13. Double bond
14. Triple bond
15. Molecular
compound
16. Polar bond
17. Nonpolar bond
18. Alloy
19. Metallic bond
The electrons that are in the highest energy level of an
atom and that are involved in chemical reactions.
A representation of the valence electrons in an atom, using
dots.
The force that holds atoms together.
An atom or group of atoms that has become electrically
charged.
An ion that is made of more than one atom.
The attraction between oppositely charged ions.
A compound that consists of positive and negative ions.
A combination of symbols that represents the elements in
a compound and their proportions.
A number in a chemical formula that tells the number of
atoms in a molecule or the ratio of elements in a compound.
An orderly, three-dimensional pattern of ions or atoms in a
solid.
A chemical bond formed when two atoms share electrons.
A neutral particle made of two or more atoms joined by
covalent bonds.
A chemical bond formed when atoms share two pairs of
electrons.
A chemical bond formed when atoms share three pairs of
electrons.
A compound that is composed of molecules.
A covalent bond in which electrons are shared unequally.
A covalent bond in which electrons are shared equally.
A mixture of two or more elements, one of which is a
metal.
An attraction between a positive metal ion & the electrons
surrounding it.