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I need help with question 10 please

I need help with question 10 please-example-1

2 Answers

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Answer:

O,S,Se

Step-by-step explanation:

Because they lose electrons and become an anion to become ionicly bonded and they are in the same period

User Nabb
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Answer:

Na,Ba,Ti on the same base placement on the periodic table.

User Mark Merritt
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