3. where on the periodic table is a period found? a period is found as a horizontal row on the periodic table.
3. where on the periodic table is a period found? a period is found as a horizontal row on the periodic table.
Answer
Brief Explanations:
The periodic table arranges elements in periods and groups. Periods are horizontal rows that signify the number of electron - shell levels in the atoms of the elements within that row.
Answer:
A period is found as a horizontal row on the periodic table.