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Horizontally: decreasing from left to right.Vertically: increasing from top to bottom.

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How does the atomic radius increase or decrease horizontally on the periodic table?

Atomic radius decreases horizontally in periodic table. This is due to increase in nuclear charge.


How does atomic radius increase or decrease horizontally or vertically across the periodic table?

Across a period (horizontal), atomic radius decreases due to increasing nuclear charge pulling electrons closer. Down a group (vertical), atomic radius increases due to the addition of new energy levels further from the nucleus.


What happens to the atomic radius as you move down the periodic table?

Down a group, the atomic radius increases as the number of shells or energy levels increases.


What happens to the atomic radius as you from the bottom to the top of the periodic table?

The atomic radius decreases.


What is the atomic radius of gallium and how does it compare to other elements in the periodic table?

The atomic radius of gallium is about 135 picometers. In the periodic table, gallium has a larger atomic radius compared to elements to its left and a smaller atomic radius compared to elements to its right.


What happen to the atomic radius as move from the bottom to the top of the periodic table?

The atomic radius decreases.


What make the atomic radius change along the periodic in periodic table?

Along a period, nuclear charge increases. hence, atomic radius decreases.


What makes the atomic radius change along the periodic in the periodic table?

Along a period, nuclear charge increases. hence, atomic radius decreases.


Which element will have a larger atomic radius magnesium or cesium?

Cesium will have a larger atomic radius than magnesium. This is because atomic radius tends to increase down a group in the periodic table, and cesium is located below magnesium in the periodic table.


Which is bigger the atomic radius of potassium or atomic radius of iodine?

The atomic radius of iodine is larger than the atomic radius of potassium. This is because as you move down a group in the periodic table, atomic size increases due to the addition of more electron shells. Iodine is located below potassium in the periodic table, hence it has a larger atomic radius.


How does atomic radius increases in the periodic table?

atomic radius increases down a group as the number of shells increases


Which has the larger atomic radius silicon or bromine?

Silicon has a larger atomic radius than bromine. This is because as you move down a group on the periodic table, atomic radius tends to increase. Bromine is located further to the right on the periodic table and has a smaller atomic radius compared to silicon.