Multiple Choice
Which of the following elements is a non-metal located in group 6A or 7A of the periodic table with atomic number less than 40?
2. Atoms & Elements
Periodic Table: Group Names
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Alkali metals, alkaline earth metals, and halogens are elements found respectively in which groups of the periodic table?
A
1, 2, and 17
B
2, 1, and 16
C
1, 2, and 18
D
2, 3, and 17
Verified step by step guidance1
Recall that the periodic table is organized into groups (columns) numbered from 1 to 18, where elements in the same group share similar chemical properties.
Identify alkali metals: These are highly reactive metals found in Group 1 of the periodic table, excluding hydrogen.
Identify alkaline earth metals: These are the elements in Group 2, known for being somewhat less reactive metals than alkali metals.
Identify halogens: These are nonmetals located in Group 17, known for their high reactivity and tendency to form salts with metals.
Match each element category to its corresponding group number: alkali metals to Group 1, alkaline earth metals to Group 2, and halogens to Group 17.
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