Day One

Activity One

What do the numbers represent?

         Upper left number: atomic number
         For example with NA.......11 is the atomic number, and thi is the number of protons.


         Upper right number: atomic mass
         This means the weight of the atom


What do the letters represent?
The letters represent the symbol for each element.

What ist the differnce between Na and K?
Na= salt
K=potassium
The difference between these 2 elements is their cheminal composition, temperature of formation, density, and color. The mass and number are different.

http://www.webelements.com/