Which of the electrons in the following orbitals will experience the greatest nuclear attraction?
1s electron of helium
1s electron of potassium
23 electron of boron
2s electron of carbon
Correct answer is A
No explanation has been provided for this answer.
Electronegativy
Electron affinity
Atomic radluc
lonlzation energy
Correct answer is C
No explanation has been provided for this answer.
Which of the following electron transition results in the emission of energy?
3p to 3s
3p to 4p
2s to 2p
1s to 2s
Correct answer is A
No explanation has been provided for this answer.
13 electrons and 14 protons
13 neutrons and 14 protons
13 protons and 14 neutrons
13 electrons and 14 neutrons
Correct answer is C
No explanation has been provided for this answer.
Which of the following processes will pollute water?
Exposure of a body of water ultraviolet rays
Discharge of industrial effluents effluents into water ways
Passage of river water through a send bed
Addition of a measured quantity of chlorine to water
Correct answer is B
No explanation has been provided for this answer.