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romiroy12
romiroy12
@romiroy12
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Joined: Oct 18, 2020
Last seen: Jul 3, 2023
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Topics: 2049 / Replies: 0
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Topic
Which of the following elements will form an acidic oxide?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 119
Topic
Which of the following elements does not lose an electron easily?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 99
Topic
Which among the following elements has the largest atomic radii?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 114
Topic
Which of the following gives the correct increasing order of the atomic radii of O, F and N?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 152
Topic
Which one of the following elements exhibits maximum number of valence electrons?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 109
Topic
Which of the following is the outermost shell for elements of period 2?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 104
Topic
Where would you locate the element with electronic configuration 2, 8 in the Modem Periodic Table?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 97
Topic
Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 127
Topic
In Mendeleev’s Periodic Table, gaps were left for the elements to be discovered later. Which of the following elements found a place in the periodic table later?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 100
Topic
Upto which element, the Law of Octaves was found to be applicable
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 95
Topic
The elements of group 16 are called (a) Chalcogens (b) Halogens (c) Pnicogens (d) Noble gases
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 210
Topic
Which of the following is correct order of atomic size? (a) Cl < F < Br < I (b) F < Cl < Br < I (c) I < Br < Cl < F (d) Br < I < Cl < F
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 457
Topic
Which of the following hydroxides is most basic?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 129
Topic
Which of the following oxide is most basic?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 102
Topic
Which of the following is correct order of size?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 85
Topic
Which of the following is correct order of atomic size?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 150
Topic
The element which has least tendency to lose electron is
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 436
Topic
An element has atomic number 17. To which group, period does it belong? It is metal or non-metal?
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 299
Topic
An element has 12 protons. The group and period to which this element belongs to is
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 193
Topic
The lightest liquid metal is
5 years ago
Forum
Periodic Classification Of Elements
Replies: 0
Views: 110
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