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They are called periods because after each period in the following period elements are ordered according to their properties at the intersection with vertical columns (groups) and these properties are periodically reproduced.
Vertical columns are called groups. Horizontal rows are known as periods.
Actually, the horizontal rows in a periodic table are called periods, not groups. Groups are the vertical columns that share similar chemical properties.
Actually, periods are the horizontal rows on the periodic table. Each period represents the energy level or shell in which the elements' electrons reside.
The vertical columns in the periodic table are called groups. Each group contains elements with similar chemical properties due to having the same number of electrons in their outermost shell.
They are called periods because after each period in the following period elements are ordered according to their properties at the intersection with vertical columns (groups) and these properties are periodically reproduced.
Vertical columns are called groups. Horizontal rows are known as periods.
The rows (Horizontal) are called Periods and the Columms (Vertical) are called Groups.
Actually, the horizontal rows in a periodic table are called periods, not groups. Groups are the vertical columns that share similar chemical properties.
periods and groups
false The vertical columns are known as groups whereas the horizontal rows are known as periods.
The horizontal rows on the periodic table are called periods, while the vertical columns are called groups or families.
False. The vertical columns are known as groups whereas the horizontal rows are known as periods.
Groups are the vertical columns. Periods are horizontal rows.
The vertical columns in a periodic table are called groups, and the horizontal rows are called periods.
Actually, periods are the horizontal rows on the periodic table. Each period represents the energy level or shell in which the elements' electrons reside.
Groups are the vertical columns. Periods are the horizontal rows in the periodic table.