
Grade 12th pass10 grade science
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): (i) Which elements has a bigger atom , a or f ? (ii) Which element has a higer 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 non-metal of valency 2. (vi) Select a letter which represents a noble gas.
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): (i) Which elements has a bigger atom , a or f ? (ii) Which element has a higer 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 non-metal of valency 2. (vi) Select a letter which represents a noble gas.




