div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=state-college-area-school-district-state-college-area-his-model-includedhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: State College Area School District State College Area His model included electrons orbiting the nucleus at specific energy levels Electrons absorb energy from various sources loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer202208141160b1ab8f714e9d60a637f785html5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=state-college-area-school-district-state-college-area-his-model-includedhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: State College Area School District State College Area His model included electrons orbiting the nucleus at specific energy levels Electrons absorb energy from various sources loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer202208141160b1ab8f714e9d60a637f785html5thumbnails2jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=3Page 3button div class=ts-imageimg data-url=state-college-area-school-district-state-college-area-his-model-includedhtmlpage=3 data-page=3 class=ts-thumb lazyload alt=Page 3: State College Area School District State College Area His model included electrons orbiting the nucleus at specific energy levels Electrons absorb energy from various sources loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer202208141160b1ab8f714e9d60a637f785html5thumbnails3jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=4Page 4button div class=ts-imageimg data-url=state-college-area-school-district-state-college-area-his-model-includedhtmlpage=4 data-page=4 class=ts-thumb lazyload alt=Page 4: State College Area School District State College Area His model included electrons orbiting the nucleus at specific energy levels Electrons absorb energy from various sources loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer202208141160b1ab8f714e9d60a637f785html5thumbnails4jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=5Page 5button div class=ts-imageimg data-url=state-college-area-school-district-state-college-area-his-model-includedhtmlpage=5 data-page=5 class=ts-thumb lazyload alt=Page 5: State College Area School District State College Area His model included electrons orbiting the nucleus at specific energy levels Electrons absorb energy from various sources loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader036vdocumentinreader036viewer202208141160b1ab8f714e9d60a637f785html5thumbnails5jpg width=140 height=200 divdiv