Which property indicated a minerals response to ultraviolet light?
a. fluorescence
b. radioactivity
c. streak
d. luster

What substance has a mass of 9.5g and volume of 2.1cm^3

What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?