can anyone solve all questions ?
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26. 4th option is correct
27. 4th option is correct
28. 3rd option is correct.
Correct; Modern periodic table has 18 vertical column and 7 horizontal rows
29. 4th option
superiortanu12378:
Plz mark as brainliest
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Q26 -4,Q27-3,Q28-1,Q29-3
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