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In the periodic table, strontium (Sr) is an alkaline earth metal. Which of the following elements is expected to be more reactive than strontium based on group trends?
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4. Atoms and Elements
Periodic Table: Group Names
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Which element is expected to have similar chemical properties to sulfur because it is in the same group (chalcogens) on the periodic table?
A
Oxygen
B
Neon
C
Sodium
D
Chlorine
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Identify the group number of sulfur on the periodic table. Sulfur is in group 16, which is also known as the chalcogens group.
Recall that elements in the same group have similar chemical properties because they have the same number of valence electrons.
List the elements given in the options and determine their group numbers: Oxygen (group 16), Neon (group 18), Sodium (group 1), Chlorine (group 17).
Compare the group numbers of the options to sulfur's group number (16) to find which element shares the same group.
Conclude that the element in the same group as sulfur, and therefore expected to have similar chemical properties, is oxygen.
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