Answered

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2. Rank each of the following in order of DECREASING atomic radius
Ca, Rb, C.

Sagot :

quasarJose

Answer:

Rb > Ca > C

Explanation:

The order of decreasing atomic radius of the elements given is Rb > Ca > C.

Atomic radius of a substance is the half of the internuclear distance between two covalently bonded atoms of non-metallic elements or half of the distance between two nuclei in the solid state of metals.

  • Across a period, the atomic radius decreases from left to right on the periodic table.
  • Also, it increases from top to bottom.

Therefore, Rubidium from the choices has the greatest atomic radius and Carbon has the lowest.

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