Answer:
Pt - Platinum
Al - Aluminum
Bi - Bismuth
He - Helium
Explanation:
If you're talking about periodic table, then that's the answer. The period is in horizontal rows (across) while the groups is in vertical columns (down).
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Answer:
Pt - Platinum
Al - Aluminum
Bi - Bismuth
He - Helium
Explanation:
If you're talking about periodic table, then that's the answer. The period is in horizontal rows (across) while the groups is in vertical columns (down).