Modern Periodic Law and the Long Form of the Periodic Table

JEE Main Chemistry · Classification of Elements and Periodicity · 7 questions, latest first

• A monoatomic anion ( A^- ) has 45 neutrons and 36 electrons. Atomic mass, group in the periodic table and physical state at room…20264 April, Shift 1 · Q58
• Which of the following statements are NOT true about the periodic table? A. The properties of elements are function of atomic…202524 January, Shift 1 · Q58
• Given below are two statements about X-ray spectra of elements: Statement (I): A plot of √ν ( ν= frequency of X-rays emitted) vs…202523 January, Shift 2 · Q59
• The element that does not belong to the same period of the remaining elements (modern periodic table) is:202523 January, Shift 1 · Q58
• Given below are two statements: Statement (I): The 4 f and 5 f - series of elements are placed separately in the Periodic table…202427 January, Shift 1 · Q64
• Henry Moseley studied characteristic X-ray spectra of elements. The graph which represents his observation correctly is Given ν=…20238 April, Shift 2 · Q64
• It is observed that characteristic X-ray spectra of elements show regularity. When frequency to the power "n" i.e. ν^n of X-rays…202324 January, Shift 1 · Q34