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(b) lists the elements in order of increasing atomic masses.
(d) P
(c) Metalloids
(c) Group 18
(b) L shell
(b) B, C, D
(a) Germanium
(c) The atoms lose their electrons more easily
(c) A and C
(b) Calcium
Which is not the limitation of Mendeleev’s classification? Mendeleev’s Table
(b) lists the elements in order of increasing atomic masses.
(b) lists the elements in order of increasing atomic masses.
See lessWhich one of the following elements exhibit maximum number of valence electrons ?
(d) P
(d) P
See lessThree elements B, Si Ge are
(c) Metalloids
(c) Metalloids
See lessWhere would you locate the element with electronic configuration 2, 8 in the Modern Periodic Table ?
(c) Group 18
(c) Group 18
See lessWhich of the following is the outermost shell for elements of period 2 ?
(b) L shell
(b) L shell
See lessWhich of the given elements A, B, C, D and E with atomic number 2, 3, 7. 10 and 30 respectively belong to the some period ?
(b) B, C, D
(b) B, C, D
See lessIn Mendeleev’s periodic Table, gaps were left for the elements to be discovered later. X would most likely be in the some group of the periodic Table as
(a) Germanium
(a) Germanium
See lessWhich of the following statements is not a correct statement about the trends when going from left to right across the periods of periodic table ?
(c) The atoms lose their electrons more easily
(c) The atoms lose their electrons more easily
See lessThe elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the some group ?
(c) A and C
(c) A and C
See lessUpto which element, the Law of Octaves was found to be applicable ?
(b) Calcium
(b) Calcium
See less