- Neon (Ne, 10): Used in advertising signs due to its bright glow when electrified.
- Sodium (Na, 11): A key component of table salt (sodium chloride).
- Magnesium (Mg, 12): Found in chlorophyll, the pigment that gives plants their green color and is essential for photosynthesis.
- Aluminum (Al, 13): Widely used in airplane construction because it is lightweight and strong.
- Silicon (Si, 14): The primary element in stone, sand, and soil, forming the basis of many minerals.
- Phosphorus (P, 15): A vital component of bones and teeth in the human body.
- Sulfur (S, 16): Found in egg yolks, contributing to their characteristic smell and nutritional value.
- Chlorine (Cl, 17): Commonly added to swimming pools to disinfect the water and kill bacteria.
- Argon (Ar, 18): An inert gas used inside light bulbs to prevent the filament from oxidizing and burning out.
Parent Tip: Review the logic above to help your child master the concept of printable periodic table element cards.