Choose the correct description of elements from the options below. Select the correct answer below: A) They can only be monoatomic.
B) They can only be diatomic.
C) They are mixtures.
D) They contain only one type of atom.

Draw the skeletal structures of two different molecules that are each made of 5 carbon atoms and 12 hydrogen atoms.

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

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?