Saved Bookmarks
| 1. |
The following diagram shows a part of the periodic table in which the elements are arranged according to their atomic numbers. (The letters given here are not the chemical symbols of the elements):a3b4c5d6e7f8g9h10i11j12k13l14m15n16o17p18(i) Which element has a bigger atom, a or ƒ ?(ii)Which element has a higher valency, k or o?(iii) Which element is more metallic, i or k?(iv) Which element is more non-metallic, d or g?(v) Select a letter which represents a metal of valency 2.(vi) Select a letter which represents a non-metal of valency 2. |
|
Answer» (i) a (size decreases from left to right in a period) . (ii) k (valency of k = 3; valency of o = 1). (iii) i (metallic character decreases from left to right in a period). (iv) g (non-metallic character increases from left to right in a period) . (v) b (or j) . (vi) f (or n) . |
|