### Atomic Structure

Laura McKenzie

Helpful hints: ** Use the ^ symbol to write orbitals. So the electron configuration for Carbon is written 1s^22s^22p^2 *** Use the ^ to indicate exponents and put no spaces between symbols written in scientific notation. An example would be 2.2x10^-22. **** Write two worded answers using no spaces. So if your answer is "hot water", write hotwater in the puzzle.

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Across
4.How many protons and electrons are in Boron?
7.The lowest possible energy state for a given substance is ________.
9.If a visible light has energy of 4x10^ -19 Joules, what color is it?
10.How many protons and electrons are in Carbon?
11.The abbreviated electron configuration of an element is Ne3s^1. What is the element?
12.A light wave has a frequency of 6x10^14 Hz. What is its energy? (Round to a whole number)
13.A yellow light has a wavelength of 600nm. What is its frequency per second? (c=3.0x10^8 and 1nm = 10^ -9 m.)
Down
1.What is the ame of an atom that is made of 12 protons, 12 electrons and 14 neutrons?
2.Write the electron configuration for phosphorous.
3.As a light wave's frequency increases, its energy ________.
5.What is the element whose electron configuration is 1s^22s^22p^63s^2
6.What is the element whose electron configuration is 1s^22s^22p^63s^1 ?
8.A light wave has a frequency of 5.5x10^14 Hz. What is its color?

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