1.  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.

2.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

“Get 15% discount on your first 3 orders with us”
Use the following coupon
FIRST15

Order Now

For order inquiries        1-800-700-6200

Hi there! Click one of our representatives below and we will get back to you as soon as possible.

Chat with us on WhatsApp