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bazaltina [42]
3 years ago
15

Separate the pennies you have into two groups: one group with pennies dated before 1982 and the other with pennies dated after 1

982. Compare the two groups. Record any similarities or differences in size or appearance that you notice between the two groups.
Chemistry
1 answer:
Marat540 [252]3 years ago
8 0

Answer:

Srry i don't know about it so...

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what is the difference between a chemical bonds formed in the molecules of 02 and the chemical bonds formed in crystals of a NaC
Jobisdone [24]

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O2 is a covalent substance while NaCl is an ionic substance

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