Periodic Table Puzzle Answer Sheet - Round atomic mass to the nearest whole number. The location of an element into columns. I have 2 electron in the first shell, 8 in the second shell, and 6 in the third shell. I am the head of the carbon family know as the. _________________________________ fake symbols are used for the first 18 elements.
_________________________________ fake symbols are used for the first 18 elements. I have 2 electron in the first shell, 8 in the second shell, and 6 in the third shell. The location of an element into columns. I am the head of the carbon family know as the. Round atomic mass to the nearest whole number.