'You deserve a medal if you know that this element, symbol Ag, is No. 47 on the periodic table'
silver
47: You deserve a medal if you know that this element, symbol Ag, is No. 47 on the periodic table
You deserve a medal if you know that this element, symbol Ag, is No. 47 on the periodic table
You deserve a medal if you know that this element, symbol Ag, is No. 47 on the periodic table
47
silver
47