Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2<span>) electrons.</span>
Answer:
500,000 are detected earthquakes each year.
Sublimation: A) an ice cube left in a freezer for a month becomes smaller.
Condensation: B) drops of water appear on the side of a glass of ice water.
Evaporation: C) a rainy morning turns sunny, and puddles disappear from a sidewalk.
The answer to this is kilogram
Answer: Can't see clearly.
Explanation: