A.
The first energy level has 2 electrons, the second has 8, and the third has 4
I believe the complete
given is that the bucket of sand contains 9.5 billion grains of sand. That is:
bucket = 9,500,000,000
grains
and the concentration of
brown sand is 2 ppm:
concentration brown sand =
2 / 1,000,000
Therefore:
brown sand = 9,500,000,000
* (2 / 1,000,000)
<span>brown sand = 19,000 grains</span>
When light is passed through a prism it refracts and reflects i just did this in school hope it helped
Answer:
2n² is a formula that determines that the maximum number of electrons should be accommodated in a particular shell.
Explanation:
Answer:
creating new water molecules and lowering the amount of free H+ in the system, thereby raising the overall pH.
Explanation:
