Which of the following physical properties are extensive? why?
a. heat of fusion
b. melting point
c. color
d. viscosity
e. conductivity
f. density

How many moles of oxygen gas are produced from the decomposition of six moles of potassium chlorate

What type of chemical bond is formed between two atoms of bromine 1. metallic 2. hydrogen 3. ionic 4. covalent

Select the correct answer. why are scientific models important in the study of science? a. they always involve critical mathematical calculations. b. they scientists understand complex ideas and objects that aren’t easy to handle. c. they enable scientists to popularize their work in society. d. they are required when conducting any peer review process. e. they are necessary for turning a hypothesis into a law.