What do the colors produced by fireworks indicate? a. a physical change c. a state change b. a chemical change d. an element change

yes they ca   is ur ansswerrr

it would be b. 6co2 + 6h2o --> c6h12o6 + 6o2

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.

hey there!

mass = 6.75 g

volume =   9 cm³

therefore:

d = mass / volume

d   = 6.75 / 9

d = 0.7 g/cm³

answer b