Which of the following statements correctly describes energy levels? a. electrons can never move to a higher or lower energy level. b. the second energy level holds a maximum of four electrons. c. the greater the energy of the level, the farther away it is from the nucleus. d. in its outermost energy level, oxygen has 4 valence electrons.

C. The greater the energy of the level, the farther away it is from the nucleus.

Explanation:

A is wrong because electrons can either move to higher energy levels (if they gain energy) or to lower energy levels (if they lose energy).

B is wrong because the second energy level holds a maximum of six electrons.

C is the right choice because as we move away from the nucleus, the greater the energy of the level.

D is wrong because in its outermost energy level, oxygen has 6 valence electrons. Oxygen has 8 electrons, its distribution is: 2, 6.

question: ray weighs 100 kilograms, his wrestling partner, bobby, weighs 50 kilograms. if ray moves at 4 m s , how fast will bobby have to run at him to apply an equal amount of kinetic energy?

answer: 8 m/s he needs to run twice as fast to keep up so he has some work to do

explanation:   if the mass has units of kilograms and the velocity of meters per second, the kinetic energy has units of kilograms-meters squared per second squared.

question answered by

(jacemorris04)

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