In a science experiment, Marisa concludes that no chemical reaction has occurred. What evidence would support this conclusion? A
the mass and total number of atoms were conserved

B
no energy was released

C
a new element was created

D
no new substance was formed

gas

explanation:

smoke is the matter of a gas

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.