Question

Which property of an atom's structure was used to organize the periodic table?

Answer 1

atomic mass and number of protons

Answer 2

Atomic number

http://www.elementsdatabase.com/

Answer 3

outermost Electrons
total electrons
total protons
outermost protons

Answer 4

thanks that website helps

Answer 5

total electrons=total protons=atomic number
they are also organized by atomic mass

Answer 6

what does total electrons= total protons mean

Answer 7

if an element has an atomic number of 7 it has seven protons in its nucleus and seven electrons also this is the physics section

Answer 8

okay thanks?

Answer 9

outermost electron is correct answer