Chemical Formulas

If the empirical formula for a compound is C3H8, which of the following are possible molecular formulas? Select all that apply.

If the empirical formula for a compound is C3H8 then the molecular formula can be a compound with multiples of these numbers of atoms. C3H8 and C6H16 are possible molecular formulas.

Molecules of glucose (blood sugar) contain 6 carbon atoms, 12 hydrogen atoms, and 6 oxygen atoms. What are the molecular and empirical formulas of glucose?

Molecular formula, C6H12O6; empirical formula, CH2O

Cyclobutane consists of 4 atoms of carbon and 8 atoms of hydrogen. What is cyclobutane's empirical formula?

The empirical formula must feature the simplest whole-number ratio of the constituent elements. The simplest form of the carbon: hydrogen ratio, given as 4:8, is 1:2. Therefore, the empirical formula is CH2.

There can be more than one compound with the same:

empirical formula or molecular formula

Which element is NOT abbreviated based on an ancient name?

iron radium sodium lead Answer Explanation Correct answer: radium Radium is simply Ra.

The chemical symbol "CL" with two capital letters is used to represent which element?

it is not a valid chemical symbol CL is not a valid chemical symbol because chemical symbols that contain 2 letters must have one upper case letter and one lower case letter, not 2 upper case letters.