Need this as fast as Possible!!!!! I will put you for the Brainliest if you answer ALL and Get them RIGHT!!!! HURRY


4.All of the following are assumptions presented by Dalton's atomic theory except that

Aall atoms of different elements are alike in size, shape, and weight.
Ball matter consists of atoms.
Catoms combine with other atoms.
Datoms don't break into pieces even during chemical reactions.

  1. With regard to the pH scale, a solution with a pH
Alower than 7 is considered basic.
Bclose to 14 is considered a strong base.
Cof 6 is considered neutral.
Dhigher than 7 is considered an acid.

  1. Which of the following is a benefit associated with nuclear energy?
ARadiation utilized in fertilizer production
BRadiophosphorous used in dental treatment
CRadioisotopes used as tracers in industry
DRadiation exposure and waste leakage

  1. Which of the following is accurate in describing the placement and classification of iodine?
AIodine is located in Period 5, Group 17 and is classified as a nonmetal.
BIodine is located in Period 17, Group 5 and is classified as a nonmetal.
CIodine is located in Period 7, Group 6 and is classified as a metal.
DIodine is located in Period 6, Group 7 and is classified as a metal.