what are the groups and periods
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Groups and periods are two ways of categorizing elements in the periodic table. Periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. Atomic number increases as you move down a group or across a period.
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hey mate ❣️✌️
groups and periods are the two ways of categorizing elements in the periodic table. periods are horizontal rows (across) the periodic table, while groups are vertical columns (down) the table. atomic number increases as you move down a group or accross a period.
hope this will help you ❣️
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