Answer:
D. it's a displacement reaction
1.661x10 negative 24 squared
The answer for the question above is A. the gravitational pull of the moon on the water near the coast. The sun and and the moon are responsible for the rising and falling of the ocean tides. The gravitational pull of the moon and the sun makes the water in the oceans bulge, causing a continuous change between high and low tide.
The Octet rule is a general rule of thumb that applies to most atoms. Basically, it states that every atom wants to have eight valence electrons in its outermost electron shell.
I believe the answer is 3 - He hypothesized that all substances can be broken down into a smallest part called the atom.