Fill In The Blank Quiz

1. Atoms of an element may differ in the number of neutrons they have.
   
2. Diatomic atoms consist of two atoms of the same element.
   
3. A formula that shows the composition of a molecule is called the chemical/empirical formula.
   
4. On a Ph scale, 7 represents a(n) neutral solution.
   
5. The force of attraction between two or more ions is called a(n) ionic bond.
   
6. Atoms with unfilled outermost shells combine to form bonds /molecules.
   
7. A chemical bond that is formed by the sharing of electrons is called a(n) covalent bond.
   
8. The reaction between an acid and a base is called a neutralization reaction.
   
9. Radioactive isotopes can be used as tracers to follow chemical reactions.
   
10. A neutron may have the same mass as that of a proton, however it has no electrical charge.