Chemistry
Sulphur has an atomic number 16 and mass number of 32. State the number of protons and neutrons in the nucleus of sulphur. Give a simple diagram to show the arrangement of electrons in an atom of sulphur.
Related Questions
James Chadwick discovered a sub-atomic particle. State its
(a) location in an atom
(b) charge and
(c) mass.
An atom of an element has 9 protons, 9 electrons and 10 neutrons. State its
(a) atomic number
(b) mass number and
(c) electronic configuration.
Write down the electronic configuration of the following:
(a) 1224X
(b) 1531Y
Write down the number of electrons in X and neutrons in Y.
Rutherford's alpha-particle scattering experiment led to the discovery of :
- Electron
- Proton
- Atomic nucleus
- Neutron