Explanation:
Atoms are the smallest unit of matter that can't be broken down chemically. Molecules are groups of two or more atoms that are chemically bonded. Ions are atoms or molecules that have gained or lost one or more of their valence electrons and therefore have a net positive or negative charge.
Answer: B.)
Explanation: Heat flows from pan to sounroundings
Answer:
The answer is c,F has a smaller radius than F− because F− has an additional energy shell.
Explanation:
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