What element is represented by the symbol He?

(a)  

What element is represented by the symbol Li?

(a)  

What element is represented by the symbol Be?

(a)  

What element is represented by the symbol B?

(a)  

What element is represented by the symbol C?

(a)  

What element is represented by the symbol N?

(a)  

What element is represented by the symbol O?

(a)  

What element is represented by the symbol F?

(a)  

What element is represented by the symbol Ne?

(a)  

What element is represented by the symbol Na?

(a)  

What element is represented by the symbol Mg?

(a)  

What element is represented by the symbol Al?

(a)  

What element is represented by the symbol Si?

(a)  

What element is represented by the symbol P?

(a)  

What element is represented by the symbol S?

(a)  

What element is represented by the symbol Cl?

(a)  

What element is represented by the symbol Ar?

(a)  

What element is represented by the symbol K?

(a)  

What element is represented by the symbol Ca?

(a)