chemistry part two please get right

Graded Assignment

Unit Test, Part 2

Answer the questions below. When you are finished, submit this assignment to your teacher by the due date for full credit.

(5 points)

Score

1.  An atom of silicon has a mass number of 28 and an atomic number of 14. How many protons and how many neutrons are in this atom? Show your calculation.

Answer:

(5 points)

Score

2.  Electron A falls from energy level X to energy level Y and releases blue light. Electron B falls from energy level Y to energy level Z and releases red light. Which transition, from X to Y or from Y to Z, has a greater energy difference? Explain your answer and how you arrived at it. Use a diagram of the electromagnetic spectrum.

Answer: