Hey there.
By adding up all the "exponents," you'll get a number of 19. By looking at a periodic table, the element of such an atomic number is potassium or K.
Answer:
the amount of valence electron, cna be found in the periodic table, which is called the atomic number which is top of the symbol
hope this helps!!! best fo luck to you
the sun has a radius of 432,169 miles
What is the element with 7 protons? They probably also have 7 neutrons. Just a ball park figure guess.
