Which of the following elements is found in period 3?
Practice Questions
Q1
Which of the following elements is found in period 3?
Sodium
Calcium
Potassium
Magnesium
Questions & Step-by-Step Solutions
Which of the following elements is found in period 3?
Step 1: Understand what a 'period' is in the periodic table. A period is a horizontal row of elements.
Step 2: Identify the elements in period 3. The elements in period 3 are Sodium (Na), Magnesium (Mg), Aluminum (Al), Silicon (Si), Phosphorus (P), Sulfur (S), Chlorine (Cl), and Argon (Ar).
Step 3: Look for the element mentioned in the question. The question asks for an element in period 3.
Step 4: Confirm that Sodium (Na) is one of the elements listed in period 3.