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#There are parameters that define what levels an electron can occupy
#There are parameters that define what levels an electron can occupy
===Notes for teachers===
===Notes for teachers===
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It is important that students do not think of the electrons as "orbiting" the nucleus like the planets around the Sun.
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# It is important that students do not think of the electrons as "orbiting" the nucleus like the planets around the Sun.
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# The world of quantum mechanics is different from our macro level world.
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# Some students will have problems visualizing the concepts especially electronic spectrum. Please take care of it.
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===Activity No # 1 Electronic Configuration===
===Activity No # 1 Electronic Configuration===
{| style="height:10px; float:right; align:center;"
{| style="height:10px; float:right; align:center;"