Answer:
Use Aufbau's principle,
1s^2,2s^2,2p^6,3s^2,3p^6,4s^2
Fill 20 electrons,
Max number of electrons that sub shells can hold,
s=2
p=6
d=10
f=14
Answer:
D
Explanation:
HR or human resources, is a division in a company which helps out with recruitment and other human related issues, some including counselling work so I would guess D
Answer:
I matched the answers you requested above
Answer:
The speed of the object at the lowest point in its trajectory is:
Explanation:
We can use the conservation of energy between the maximum point of swing and the lowest point of the pendulum.
(1)
Where:
- h is the height of the object at 30° with the vertical.
- v is the speed at the lowest point.
We can find h using trigonometry.
Now, using equation (1) we can find v.
I hope it helps you!
Answer:
D
Explanation:
Increasing its height to twice its original value