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Answer correctly and I give you brainiest

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.

2b2t

explanation:

2b2t

elements make up everything, and they combine to make compounds.

the answer is c

i'm wiling to try and you : )