Question

3. Metallic properties change to non-metallic properties as one moves from left to right in a period. Explain.
4, (a) Bigger the atomic size, more metallic is an element. Explain.
(b) Name : (i) the most metallic element (ii) the most non-metallic element.​

Answer 1

Explanation:

3.Hence, the tendency of the element to lose electrons decreases. This results in decrease in metallic character. Furthermore, the tendency of an element to gain electrons increases with increase in effective nuclear charge, so non- metallic character increases on moving from left to right in a period.

4.a Metallic character increases as you move down a group because the atomic size is increasing. ... Electron shielding causes the atomic radius to increase thus the outer electrons ionizes more readily than electrons in smaller atoms.

b.

I)The most metallic element is francium. However, francium is a man-made element, except for one isotope, and all isotopes are so radioactive they almost instantly decay into another element. The natural element with the highest metallic character is cesium, which is found directly above francium on the periodic table.

ii)The most non metallic element is fluorine.

Hope this helps you dear..!!

Answer 2

Answer:

sorry i don't know this answer

Explanation: