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likoan [24]
3 years ago
5

Of the eighteen elements in the fourth period, which a. has the largest atomic radius? b. has the smallest first ionization ener

gy? c. has the largest electron affinity? d. has the lowest electronegativity? e. has the highest electronegativity? f. are electrical semiconductors? g. is one of the least reactive elements?
Physics
1 answer:
maks197457 [2]3 years ago
8 0

Answer:

A. Potassium

B. Potassium

C. Bromine

D. Bromine and Krypton potassium

E. Barium

F. Arsenic and Geranium

G.

Explanation:

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