Helium has only 2 electrons in it's valence shell
So, option D is your answer.
Hope this helps!
Answer:
The process of soil formation generally involves the downward movement of clay, water, and dissolved ions, and a common result of that is the development of chemically and texturally different layers known as soil horizons. The typically developed soil horizons, as illustrated in Figure 5.16, are: O — the layer of organic matter A — the layer of partially decayed organic matter mixed with mineral material E— the eluviated (leached) layer from which some of the clay and iron
Explanation:
i'm built different
Answer:
D. 2.0 kg m/s
Explanation:
Momentum after = momentum before
p = (0.500 kg) (4.0 m/s) + (1.0 kg) (0 m/s)
p = 2.0 kg m/s
Answer:
a collision occuring between two objects in an isolated system, the total momentum of the two objects after the collision. That is, the momentum lost by object 1 is equal to the momentum gained by object 2.
thank you.