12. When the coordinate covalent bond of the hydronium ion (H3O+) is formed, the oxygen atom (O):
(A loses electrons
(B) shares with one of its electrons
(C) shares with two of its electrons
(D) shares with four of its electrons

Imagine that you’re getting ready to move to a new city. when people move, they are influenced by push factors and pull factors, and you have many reasons for your move. which of the following factors is an example of a pull factor? a. wanting to move because you’ve found a great new school somewhere new b. needing to move because there are not enough resources in your old hometown c. being forced to move because your old home is gone d. having to move because there are no jobs in your current hometown

Substance x has a fixed volume, and the attraction between its particles is strong .substance y had widely spread out particles and can be compressed what can most likely be concluded about these substances

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.