Question

how to find atomic weghts and formula is

Answer 1

if we know the number of protons and nuterons than after adding it we can find its mass !!hope it will hlp u I m new here

Answer 2

To calculate the atomic mass of a single atom of an element, add up the mass of protons and neutrons. Example: Find the atomic mass of an isotope of carbon that has 7 neutrons. You can see from the periodic table that carbon has an atomic number of 6, which is its number of protons