The Lewis dot model of an atom has seven dots. Which of the following is true about the atom? A) it has seven energy levels.
B) it has one valance shell electron.
C) it requires one electron to complete it’s octet.
D) it requires seven other atoms to form a stable compound.

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

How many grams are in one mole of lead?

Assignment directions: pick one of the following chemists and perform a bit of research on him/her. answer the following questions. alice hamilton             rosalind franklin marie curie             gertrude b. elion ada yonath             henry cavendish robert boyle             antoine lavoisier mario j. molina             svante arrhenius