7. Calculate the density of an object with a mass of 100g and a volume of 10ml
A. 10.
B.
10 g
C. 1000
D. 100 g

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Me i dont know what to do! 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.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o