Which of the following statements correctly describes energy levels? answer review
a. in its...
Which of the following statements correctly describes energy levels? answer review
a. in its outermost energy level, oxygen has 4 valence electrons.
b. the second energy level holds a maximum of eight electrons.
c. electrons can never move to a higher or lower energy level.
d. the greater the energy of the level, the farther away it is from the nucleus.
i think its b or c. in my opinion they're both correct, i may be wrong. can someone clarify?
Answers: 2
Chemistry, 21.06.2019 19:30, fireyking19
If the root word engage means “to connect with something,” what does the word disengage mean in the following sentence? he disengaged the gears by stepping on the clutch pedal. a.added more engine powerb. activated a connection to the pedalc. stalled the engined. released a connection to the pedal
Answers: 1
Chemistry, 21.06.2019 22:00, braydentillery1221
If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a
Answers: 1
Chemistry, 22.06.2019 10:10, babyphoraaaaa
For the reaction, 4 a(g) + 3 b(g) => 2 c(g), the following data were obtained at constant temperature. experiment initial[a],mol/l initial [b],mol/l initial rate, m/min 1 0.200 0.150 5.00 2 0.400 0.150 10.0 3 0.200 0.300 10.0 4 0.400 0.300 20.0 which of the following is the correct rate law for the reaction? 1. rate = k[a]2[b]2 2. rate = k[a][b] 3. rate = k[a]2[b] 4. rate = k[a][b]2
Answers: 3
Chemistry, 22.06.2019 18:30, losalobos46
The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false
Answers: 1
Mathematics, 06.05.2021 09:10
Engineering, 06.05.2021 09:10
Biology, 06.05.2021 09:10
Social Studies, 06.05.2021 09:20
Chemistry, 06.05.2021 09:20
Mathematics, 06.05.2021 09:20
Mathematics, 06.05.2021 09:20