Question

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.

how do you solve this

Answer 1

an atom's atomic number defines its number of protons, always

Answer 2

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.

how can i solve this

Answer 3

Micah, go look at the electromagnetic spectrum in your book or on the internet and tell me which light has more energy? red or blue.

Answer 4

Blue

Answer 5

So, now use that knowledge and think about what is being asked.

Answer 6

blue use less energy and red light use to much

Answer 7

i am not good with math in Chemistry

Answer 8

No no. Blue light has more energy than red. So when blue light is emitted, the energy difference between the energy levels is .....?
NO math in this. Just thinking through it.

Answer 9

light is nature's way of transferring energy through space. ... blue light and red light are both just light, but the blue light has a higher ... from the nucleus, and that each allowed distance corresponds to a different "energy level" for ..

Answer 10

he concept you are missing is this. Light of different wavelength (color) has different energy. The wavelength and energy of light are related as E= hc/l (l = wavelength)
When an electron jumps from X to Y, it loses energy. This energy lost is equal to the energy of Level X and Level Y. Ex-Ey = Energy of light given out.

Answer 11

ok i am sorry if i don't understand this but what i have seen or if i am correct the two light's are different cus of there energy levels