There are 7 periods on the periodic table. Each period corresponds to a row, and the number of elements in each period increases as you move from period 1 to period 7.
There are _ periods on the periodic table?
1 answer
1 answer
There are 7 periods on the periodic table. Each period corresponds to a row, and the number of elements in each period increases as you move from period 1 to period 7.