In the race,circumstance,and epoch,which is the acquired momentum.

The maximum value of total angular momentum for electron with l=4 (   )

In hydrogen atom the angular momentum of the electron in the lowest energy state   (   )

A．motivationB．momentumC．movementD．moment A: motivation B: momentum C: movement D: moment

What has gained more momentum over the last decade?

坚定不移推进改革开放，发展活力和内生动力进一步增强。 A: We continued to propel reform and opening-up and further boosted the vitality and momentum of development. B: We continued to advance reform and opening-up and further boosted the vitality and momentum of development. C: Reform and opening-upcontinued to be boosted and so was the vitality and momentum of development.

An electron whose orbital quantum number is 2 has the length of angular momentum (   ).

_____1_____: leaders must create a picture of where the _____2_____ is going and each person's role in this process of change. _____3_____: leaders must inspire the people they work with. Momentum : leaders must create momentum and make sure that people are _____4_____ various projects that are _____5_____.

For a hydrogen atom in the 6f state, the minimum angle between the orbital angular momentum vector and the z axis is (  )

adam梯度下降的方法是momentum和adagrad两种方法的融合。