An unknown material has a mass of 5.5 g and a volume of 6.5 cm3. what is the density of the material? round to the nearest tenth. a. 8 g/cm3 b. 1.8 g/cm3 c. 0.8 g/cm3 d. 1.2 g/cm3

How did planetesmals form planets? a. they broke apart into smaller chunks.b. they collided and stuck together.c. they cooled and pulled ice together.d. they began to rotate.

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

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.