1 Select the Triggers tab, and then select New. 2  Set your time and frequency, and then select OK.  Open Windows Defender by clicking the Start button. In the search box, type Defender and then, in the list of results, click Windows Defender.
A. An empirical formula represent a molecule. B. an empirical formula gives the smallest whole number ratio of each type of atom in a MOLECULE. C. The molecular formula can be the same as the empirical formula in some situations. D. An empirical formula must be multiplied by an integer to obtain the molecular formula.
1 EXPERIMENT 12: Empirical Formula of a Compound INTRODUCTION Chemical formulas indicate the composition of compounds. A formula that gives only the simplest ratio of the relative number of atoms in a compound is the empirical formula or simplest formula. The ratio usually consists of small whole numbers.