The first 20 elements

What is the chemical symbol for the element lithium?

What is the name of the element with chemical symbol F?

What is the atomic number of boron?

How many protons does argon have in its nucleus?

What is the chemical symbol of sulfur?

What is the chemical symbol of silicon?

What element has 10 protons in its nucleus?

How many protons does helium have?

What is the atomic number of the element with the symbol Mg?

What is the name of the element with 19 protons?