![1 mass p ≈ mass n ≈ 1840 x mass e -. 2 Atomic number (Z) = number of protons in nucleus Mass number (A) = number of protons + number of neutrons = atomic. - ppt download 1 mass p ≈ mass n ≈ 1840 x mass e -. 2 Atomic number (Z) = number of protons in nucleus Mass number (A) = number of protons + number of neutrons = atomic. - ppt download](https://images.slideplayer.com/16/4981194/slides/slide_2.jpg)
1 mass p ≈ mass n ≈ 1840 x mass e -. 2 Atomic number (Z) = number of protons in nucleus Mass number (A) = number of protons + number of neutrons = atomic. - ppt download
![Confused by notation of atomic number Z and mass number A on periodic table of elements - Chemistry Stack Exchange Confused by notation of atomic number Z and mass number A on periodic table of elements - Chemistry Stack Exchange](https://i.stack.imgur.com/NAp9T.png)
Confused by notation of atomic number Z and mass number A on periodic table of elements - Chemistry Stack Exchange
![The number of protons in the nucleus of an atom is its atomic number (Z). It is the defining trait of an element: Its value dete… | Mass number, Atomic number, Atom The number of protons in the nucleus of an atom is its atomic number (Z). It is the defining trait of an element: Its value dete… | Mass number, Atomic number, Atom](https://i.pinimg.com/originals/7d/fc/f1/7dfcf16d3a7a307271cab001bb9e2380.png)
The number of protons in the nucleus of an atom is its atomic number (Z). It is the defining trait of an element: Its value dete… | Mass number, Atomic number, Atom
Atomic Number and Mass Number _ Atomic Number and Mass Number GCSE _ Mass Number - video Dailymotion
![57. Consider an atom with atomic number Z as consisting of a positive point charge at the centre and surrounded by a distribution of negative electricity uniformly distributed within a sphere of 57. Consider an atom with atomic number Z as consisting of a positive point charge at the centre and surrounded by a distribution of negative electricity uniformly distributed within a sphere of](https://toppr-doubts-media.s3.amazonaws.com/images/9430620/1c8283a0-bd42-4b2f-8868-cf70e54befeb.jpg)