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kookycookiefanx
30.09.2019 •
Chemistry
How do you find the isotope notation of an element?
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Ответ:
Ответ:
the density(ratio between mass and volume as m/v) decreases from top to bottom in periodic table group as the size increases and nuclear charge decreases. but in periods density increases from left to right as atom size decreases and nuclear charge increases.