Atomic radius increases down the group
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The p-block elements show a trend in increasing atomic size and decreasing electronegativity as you move down a group. They also exhibit an increase in metallic character and reactivity towards metals, along with a decrease in ionization energy moving down the group.
The fiftieth element in the periodic table is tin (Sn), which has an atomic number of 50. Tin is a metallic element that is commonly used in alloys and solder.
The trend of effective nuclear charge down a group in the periodic table generally decreases.
The trend in solubility of alkaline earth metals increases as you move down the group on the periodic table.
The group name for the element Pb is "group 14" or "group IV."
The trend in atomic radii as you move down Group 1A elements is partially due to the increase in the number of electron shells or energy levels. As you move down the group, each subsequent element has an additional electron shell, leading to an overall larger atomic size.