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o-na [289]
3 years ago
12

Compare the keys to periodic tables a and b to the key to the periodic table in your textbook. what other information is provide

d in your
Chemistry
1 answer:
lesya692 [45]3 years ago
5 0
What the definition of each period and group and element and every valence electron
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State and explain modern periodic table. ⊕⊕
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Explanation:

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20 points!!!
MariettaO [177]

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