Correct answer
B. [Ar]4s1
Explanation
[Ar]4s1 is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Which one is false for evaporation ?
When water freezes at 0°C its density decreases due to_______________?
According to Kinetic Molecular Theory gas molecules move in_______path?
Some substances are good conductor of electricity in both the solid and liquid states. These substances are generally______________?
Angle of deflection was studied by________________?
For determining the order of reaction we use__________________?