Multiple Choice
Which of the following elements is classified as a noble gas on the periodic table?
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4. Atoms and Elements
Periodic Table: Group Names
Multiple Choice
Which element is found in period 3, group 2 of the periodic table?
A
Sodium (Na)
B
Aluminum (Al)
C
Calcium (Ca)
D
Magnesium (Mg)
Verified step by step guidance1
Understand the layout of the periodic table: Periods are the horizontal rows, and groups are the vertical columns.
Identify period 3, which is the third row from the top of the periodic table.
Identify group 2, which is the second column from the left in the main group elements (alkaline earth metals).
Locate the element that lies at the intersection of period 3 and group 2.
Recognize that the element in period 3, group 2 is Magnesium (Mg), not Sodium (Na), Aluminum (Al), or Calcium (Ca).
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