Multiple Choice
Which of the following is another name for groups of elements on the periodic table?
2. Atoms & Elements
Periodic Table: Group Names
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Which of the following elements would be chemically similar to calcium (Ca)?
A
Potassium (K)
B
Magnesium (Mg)
C
Strontium (Sr)
D
Aluminum (Al)
Verified step by step guidance1
Identify the position of calcium (Ca) in the periodic table. Calcium is an alkaline earth metal located in Group 2 (the second column).
Recall that elements in the same group (vertical column) of the periodic table have similar chemical properties because they have the same number of valence electrons.
Check the given elements and determine their groups: Potassium (K) is in Group 1, Magnesium (Mg) is in Group 2, Strontium (Sr) is in Group 2, and Aluminum (Al) is in Group 13.
Since calcium is in Group 2, the elements chemically similar to calcium will also be in Group 2, which includes magnesium (Mg) and strontium (Sr).
Among the options, strontium (Sr) is the correct answer because it is in the same group as calcium and shares similar chemical properties.
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