When an oxygen atom forms an ion, it gains two electrons. what is the electrical charge of the oxygen ion? a. +2 b. -1 c. -2 d. +1

When electrons are added to the outermost shell of a carbon atom, it forms--an anion that has a larger anion that has a smaller cation that has a larger cation that has a smaller radius.

What are the necessary conditions for fusion?

The friction of the water on a boat produces an acceleration of -10. m/s2. if the boat is traveling at 30. m/s and the motor is shut off, how long it take the boat to slow down to 5.0 m/s?