What types of isomerism are shown by C3H6Br2? And what are those isomers? (including optic isomerism)

Each pair of clay balls represents to planetesimals if each plane test molluscum pound of the same material and is separated by the same distance which pair experiences the greatest gravitational attraction

The number of neutrons is equal to the atomic number minus the atomic mass. a. true b. false

Ineed this awnser fast select the correct answer. this chemical equation represents the burning of methane, but the equation is incomplete. what is the missing coefficient in both the reactants and the products? ch4 + → co2 + a. 0 b. 1c. 2d. 3 e. 4