Topic Content:
- Theory Questions & Answers:
Theory Question – Periodicity and Periodic Table I:
1. (a) Why is a table of elements based on atomic numbers more orderly than a table of elements based on relative atomic masses?
(b) Mendeleev periodic table was arranged in order of their ____________
2. Name four scientists whose work could be associated with the periodic table.
3. (a) Define the periodic law of elements
(b) The atomic number of an element x is 14, and its relative atomic mass is 28. How many electron cells does ‘X’ have?
(i) How many
(ii) Write the electronic configuration of an atom of x
(iii) Will x react in an electrovalentAn electrovalent or ionic bond is formed when a metal atom transfers one or more electrons to a non-metal atom. Ionic or electrovalent compounds are those compounds which are formed by... More or covalent manner? Give reasons for your answer.
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