Questions: Which of these elements is chemically similar to magnesium? Select one: a. calcium b. nickel c. iron d. sulfur e. potassium

Which of these elements is chemically similar to magnesium? Select one: a. calcium b. nickel c. iron d. sulfur e. potassium
Transcript text: Which of these elements is chemically similar to magnesium? Select one: a. calcium b. nickel c. iron d. sulfur e. potassium
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Solution

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Solution Steps

Step 1: Identify the Chemical Group of Magnesium

Magnesium (Mg) is an element in Group 2 of the periodic table, known as the alkaline earth metals. Elements in the same group have similar chemical properties because they have the same number of valence electrons.

Step 2: Determine the Group of Each Option
  • Calcium (Ca): Also in Group 2, the alkaline earth metals.
  • Nickel (Ni): In Group 10, a transition metal.
  • Iron (Fe): In Group 8, a transition metal.
  • Sulfur (S): In Group 16, a non-metal.
  • Potassium (K): In Group 1, an alkali metal.
Step 3: Compare Group Similarities

Since magnesium is in Group 2, the element that is chemically similar to it will also be in Group 2. Among the options, calcium is the only element in Group 2.

Final Answer

\(\boxed{\text{a. calcium}}\)

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