Question

First twenty elements of periodic table

Answer 1

• H - Hydrogen
• He - Helium
• Li - Lithium
• Be - Beryllium
• B - Boron
• C - Carbon
• N - Nitrogen
• O - Oxygen
• F - Fluorine
• Ne - Neon
• Na - Sodium
• Mg - Magnesium
• Al - Aluminum
• Si - Silicon
• P - Phosphorus
• S - Sulfur
• Cl - Chlorine
• Ar - Argon
• K - Potassium
• Ca - Calcium