Answer: The arrangement of electrons in atoms is responsible for the shape of the periodic table.
Explanation: Electron configurations can be predicted by the position of an atom on the periodic table.
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Answer:
since there is a decimal point at the end, they are all significant figures so the answer is 5
A: making s sandcastle. This is because water and sand is only a mixture, so they do not react with each other. All the rest include chemical reactions!
Yes, you're right the answer is 0,02 moles.
