Chemistry Question! 20 Points! Nuclear decay is more likely to occur when:

- the mass number is greater than 83.

- the atomic number is greater than 83.

- the sum of the number of electrons + the atomic number is greater than 83.

- the sum of the mass number + the number of electrons is greater than 83.

Which statement best describes the relationship between period and frequency of light waves? a) in wave b the period increases and the frequency decreases from wave a. b) in wave a the period increases and the frequency decreases from wave b. c) in wave b the period is shorter and the frequency is greater than in wave a. d) in wave a the period is shorter and the frequency is greater than in wave b.

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.

The graph shows one consequence of urban sprawl. how did urban sprawl contribute to the change in biodiversity