Florine has an atomic number of 9 and an atomic mass of 18.998 amu. How many protons, neutrons, and electrons present

An empty fuel tank can still contain and therefore can be even more dangerous than one full of liquid fuel.

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Which of the following are good traits of a hypothesis? it will be able to be testedit can predict an outcomeit will explain the observationsall of these