What is the most appropriate unit of measure for distances within our solar system?

a. parsec
b. light-year
c. arcsecond
d. astronomical unit (au)

What state of matter is ice a. liquid b. element c. solid d. gas

Why do oxygen have a strong attractive force for electrons

Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a