Anonymous
Anonymous asked in Science & MathematicsChemistry · 2 months ago

Which of the following correctly lists the five atoms in order of increasing size (smallest to largest)? Why?

a. F < K < Ge < Br < Rb

b. F < Ge < Br < K < Rb

c. F < K < Br < Ge < Rb

d. F < Br < Ge < K < Rb

1 Answer

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  • 2 months ago

    d. F < Br < Ge < K < Rb

    This is because atomic size increases going from right to left across the period table, and going down within a group.  This is related to the number of orbitals and the number of protons in the nucleus.

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