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(b) B, C, D
(a) Germanium
(c) The atoms lose their electrons more easily
(c) A and C
(b) Calcium
Which 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