We have studied various concepts of optics in our previous sessions. We have come across various laws like snell’s law, laws of reflection, and many more. In this article, let us learn about Lambert’s cosine law and luminous flux derivation.…
By nature, laws of Physics are stated facts which have been deduced and derived based on empirical observations. Simply put, the world around us works in a certain way, and physical laws are a way of classifying that “working.” Physical…
What is Zirconium? Chemical Properties of Zirconium Group 4 Melting point 1854°C, 3369°F, 2127 K Period 5 Boiling point 4406°C, 7963°F, 4679 K Block d Density (g cm−3) 6.52 Atomic number 40 Relative atomic mass 91.224 State at 20°C Solid…
Chemical Properties of Yttrium Group 3 Melting point 1522°C, 2772°F, 1795 K Period 5 Boiling point 3345°C, 6053°F, 3618 K Block d Density (g cm−3) 4.47 Atomic number 39 Relative atomic mass 88.906 State at 20°C Solid Key isotopes 89Y…
Chemical Properties of Strontium Group 2 Melting point 777°C, 1431°F, 1050 K Period 5 Boiling point 1377°C, 2511°F, 1650 K Block s Density (g cm−3) 2.64 Atomic number 38 Relative atomic mass 87.62 State at 20°C Solid Key isotopes 86Sr, 87Sr, 88Sr…
Chemical Properties of Rubidium Group 1 Melting point 39.30°C, 102.74°F, 312.45 K Period 5 Boiling point 688°C, 1270°F, 961 K Block s Density (g cm−3) 1.53 Atomic number 37 Relative atomic mass 85.468 State at 20°C Solid Key isotopes…
Chemical Properties Of Krypton Group 18 Melting point −157.37°C, −251.27°F, 115.78 K Period 4 Boiling point −153.415°C, −244.147°F, 119.735 K Block p Density (g cm−3) 0.003425 Atomic number 36 Relative atomic mass 83.798 State at…
What is Bromine? Chemical Properties Of Bromine Group 17 Melting point −7.2°C, 19°F, 266 K Period 4 Boiling point 58.8°C, 137.8°F, 332 K Block p Density (g cm−3) 3.1028 Atomic number 35 Relative atomic mass 79.904 State at 20°C Liquid…
What is Selenium? Chemical Properties Of Selenium Group 16 Melting point 494 K Period 4 Boiling point 958 K Block p Density (g cm−3) 4.81 g/cm3 Atomic number 34 State at 20°C Solid Electron configuration [Ar] 3d104s24p4 Uses Of Selenium
What is Arsenic? Arsenic, a chemical element placed in the nitrogen group of the periodic table that exists in both the gray and yellow crystalline forms. Arsenic is present in three allotropic forms- black, yellow and gray. A silver-gray and brittle crystalline…