How can we calculate the number of neutrons present in a particular atom??
Which of the following statement is correct about the atom of an element ?
(a) an atom can have only protons and neutrons but no electrons.
(b) an atom can have only electrons and neutrons but no protons
(c) an atom can have only electron and proton but no neutron
(d) an atom must always have a proton, neutron and electron
Atomic mass is defined as no. Of protons + no. Of neutrons. But in video it was told than we measure atomic mass according to amu. Then how exactly we measure atomic mass.
If atomic mass equals no. of protons plus no. of neutrons who can chlorine's atomic mass be 35.5?