Instructions: Assign an oxidation state to each atom in each compound. 5. Naci
6. BH3
7. ALF3
8. V205
Instructions: Assign an oxidation state to each atom in each polyatomic ion.
9. NH!
10. N03
11. Cr203-
12. C103
achian

An observation that requires measurement is called quantitative observable or qualitative

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Which of the following has wavelength longer than the wavelength of viable light? a) x rays b) gamma rays c) radios waves d) ultraviolet waves