What is the symbol for helium?

(a)  

What is the symbol for lithium?

(a)  

What is the symbol for beryllium?

(a)  

What is the symbol for boron?

(a)  

What is the symbol for carbon?

(a)  

What is the symbol for nitrogen?

(a)  

What is the symbol for oxygen?

(a)  

What is the symbol for fluorine?

(a)  

What is the symbol for neon?

(a)  

What is the symbol for sodium?

(a)  

What is the symbol for magnesium?

(a)  

What is the symbol for aluminum?

(a)  

What is the symbol for silicon?

(a)  

What is the symbol for phosphorus?

(a)  

What is the symbol for sulfur?

(a)  

What is the symbol for chlorine?

(a)  

What is the symbol for argon?

(a)  

What is the symbol for potassium?

(a)  

What is the symbol for calcium?

(a)  

What is the symbol for chromium?

(a)  

What is the symbol for manganese?

(a)  

What is the symbol for iron?

(a)  

What is the symbol for cobalt?

(a)  

What is the symbol for nickel?

(a)  

What is the symbol for copper?

(a)  

What is the symbol for zinc?

(a)  

What is the symbol for selenium?

(a)  

What is the symbol for bromine?

(a)  

What is the symbol for krypton?

(a)  

What is the symbol for rubidium?

(a)  

What is the symbol for strontium?

(a)  

What is the symbol for silver?

(a)  

What is the symbol for tin?

(a)  

What is the symbol for iodine?

(a)  

What is the symbol for xenon?

(a)  

What is the symbol for cesium?

(a)  

What is the symbol for barium?

(a)  

What is the symbol for gold?

(a)  

What is the symbol for mercury?

(a)  

What is the symbol for lead?

(a)  

What is the symbol for radon?

(a)  

What is the symbol for francium?

(a)  

What is the symbol for radium?

(a)  

What is the symbol for uranium?

(a)