what ?.. can someone help me with chemistry:wavelength?

A. Which has a longer wavelength: green light or yellow light?. I think this one is yellow B. Which has a higher frequency: an X ray or a microwave? C. Which travels at a greater speed: ultraviolet light or infrared light?

Write both the complete electron-configuration and noble gas notation for each of the following:: a. Ar b. Br C. Al

*What is the electromagnetic spectrum? What units can be used to express wavelenth what unit is used to express frequencies of electromagnetic waves?

*Given the speed if light as 3.00 x 10^8 m/s, calculate the wavelength of the electromagnetic radiation whose frequency is 7.500 x 10^12 Hz.

Given that the electron configuration for phosphorus is 1s^2 2s^2 2p^6 3s^2 3p^3, answer the following questions: a. how manu electrons are in each atom b. what is the atomic number of this element?

thank you lots

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I mostly need the complete writing and the last one

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