Chemistry & Physics. Chemistry 403: Trends in the Periodic Table . Season 1 Episode 403 | 26m 9s. Students learn to describe the pattern in atomic number, atomic mass and atomic radius.

It is shown here that these radii account quantitatively for the bond lengths of many hydrides when added to the atomic and Golden ratio based ionic radii of many other atoms.

Zirconium is a metal in group IVB of the periodic table with atomic number 40, an atomic weight of 91.22, and a density of 6.49 Mg/m 3. Its melting point is 1852 C, and it boils at 3580 C. The ...

Atomic and ionic radii The halogens have the smallest atomic radii in their respective periods due to maximum effective nuclear charge. NCERT Exemplar Questions and Solutions Class 12 Chemistry ...

Potassium is an alkali metal in group IA of the periodic table with atomic number 19, an atomic weight of 39.102, and a density of 0.86 Mg/m 3. Its melting point is 63.7 C, and it boils at 760 C. The ...

CBSE has released syllabus of Class 11 for the academic session 2016‒2017. The key contents of the syllabus issued by CBSE for Class 11th Chemistry are: ...