atoms of group 1 atoms lose one electron to gain the stable electronic structure of a (blank).This electron is (blank) an atom from group 7

What is impossible to do with a hypothesis

Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2

Which fact represents evidence for the big bang theory?