According to modern periodic table, the number of electron shells around the nucleus of an atom represents its_____ in the periodic table.
According to the modern periodic table, the number of electrons in the valence shell of an atom represents its _______in the periodic table.
According to modern periodic table, the serial number of an element in a period table is also its _____________.
(a) State modern periodic law.
(b) How does the electronic configuration of the atom of an element relate to its position in the modern periodic table?
(c) How could the modern periodic law remove various anomalies of Mendeleev’s periodic table? Explain with examples.
(d) Is it possible to have an element having atomic number 1.5 placed between hydrogen and helium?
(e) Name the scientist who prepared the modern periodic table.
Reference to the long form of the periodic table fills in the blanks with appropriate words.
The number of electron shells around the nucleus of an atom represents its -------- in the periodic table
The number of the electron in the valence shell of an atom represents its -------- in the periodic table.