객관식
Which two groups on the periodic table are considered the most reactive?
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2. Atoms & Elements
Periodic Table: Group Names
Multiple Choice
On the periodic table, how is a group oriented?
A
Randomly distributed throughout the table
B
Diagonally, from top left to bottom right
C
Horizontally, as rows
D
Vertically, as columns
검증된 단계별 안내1
Understand that the periodic table is organized to display elements with similar properties in a structured way.
Recognize that the periodic table is arranged in rows and columns, where rows are called periods and columns are called groups or families.
Groups (or families) are the vertical columns in the periodic table, meaning elements in the same group share similar chemical properties.
Periods are the horizontal rows, which represent elements with increasing atomic number from left to right.
Therefore, groups are oriented vertically as columns on the periodic table.
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