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Atomic radius increases down the group. So indium will have the largest atomic radius among the options given.

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Q: What elements boron aluminum gallium or indium has the largest atomic radius?
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Which elements has 31 protons?

It is the gallium element. Atomic number is 31.


Does an atom of aluminum and an atom of gallium have the same atomic mass?

No.


Which of these elements has the largest atomic radius. Aluminum potassium fluorine. Calcium?

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They are..... gallium: atomic #- 31 atomic mass- 69.723 element symbol- Ga indium: atomic #- 49 atomic mass- 114.818 element symbol- In and 6 moe....


Why is aluminium not with the other metals on the periodic table?

The periodic table is organized not only by atomic number, but also electron configuration. The electrons in aluminum are most similar to gallium and boron, which is why aluminum is put where it is. Also, zinc, gallium and indium are metals, so aluminum is with a couple of the other metals.


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