What is stoichiometry used for?
A. To determine the shape of a molecule
B. To determine the amount of a substance

C. To determine the molar mass of a molecule
D. To determine the atoms in a formula

Select the correct answer. what is the nature of the se-cl bond in a molecule of selenium chloride (secl2) if the electronegativity value of selenium is 2.55 and that of chlorine is 3.16?

How air particles exert a pressure on the inside of the balloon

100 points answer quick the table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.