Multiple Choice
Who is credited with arranging the periodic table into its modern form?
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2. Atoms & Elements
Periodic Table: Group Names
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Which of the following is the same for both hydrogen and potassium on the periodic table?
A
They are both in Group 1 (alkali metals).
B
They are both noble gases.
C
They are both in Period 2.
D
They are both transition metals.
Verified step by step guidance1
Understand that the periodic table is organized into groups (columns) and periods (rows), where elements in the same group share similar chemical properties.
Identify the position of hydrogen on the periodic table: hydrogen is located in Group 1, Period 1.
Identify the position of potassium on the periodic table: potassium is located in Group 1, Period 4.
Recognize that both hydrogen and potassium are in Group 1, which is known as the alkali metals group, although hydrogen is a nonmetal and often considered separately.
Conclude that the property they share is being in the same group (Group 1), not the same period, noble gas status, or transition metal classification.
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