Chemistry
The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What are its atomic number and mass number ?
Related Questions
(a) Name the three fundamental particles of an atom.
(b) Give the symbol and charge of each particle.
Complete the table given below by identifying P, Q, R and S.
Element Symbol No of Protons No of Neutrons No of Electrons Sodium 2311Na 11 P 11 Chlorine 3517Cl Q 18 17 Uranium R 92 146 92 S 199F 9 10 9 The atomic number and mass number of sodium are 11 and 23 respectively. What information is conveyed by this statement?
Write down the names of the particles represented by the following symbols and explain the meaning of superscript and subscript numbers attached.
1p1, 0n1, -1e0