The subscript 2 in the formula o2 indicates that there are 2 atoms of the element oxygen, represented by the symbol "O." The subscript to the right of the symbol tells how many atoms are present of that element.
B The collisions of the particles are elastic
Answer:
0.779 cube centimetres
Explanation:
density = mass divided by volume
rearrange the equation to solve for volume: 
plug in the corresponding values:
volume = 6.130 g / 7.87 (gcm^3)
the gs cancel, the answer will be 0.7789
we will round to three sig figs, since that's the lowest amount of figures in the given values: ~0.779 cm^3
Answer:
B
Explanation:
FUN is not building block of matter.