A student is writing a formula for a compound. What must the student always remember to include? a. At least one number written large as a coefficient

b. At least two lowercase letters

c. Each element must be represented with a capital letter

d. At least one number written low as a subscript

PLEASE HELP!!

Astudent is trying to create a table that compares hypotheses, theories, and laws. hypothesis theory law do scientific researchers formulate it? yes yes yes does it explain why things happen? yes yes no yes yes yes is it used to make predictions? no yes yes which of the following questions would most likely fill the blank in the table? is it an intelligent guess? is it newly formulated? is it based on observations? has it been proved?