Answer:
18375g
Explanation:


Let's find the volume of the rectangular block.
Volume
= length ×breadth ×height
= 3.5 ×6 ×2.5
= 52.5cm³
Mass of the block
= 350(52.5)
= 18375g
In (A. Dalton's) atomic model, negative electrons orbit the positively charged nucleus.
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