Answer:
C.) They act as catalysts.
Answer:B. A liquid changes to a solid.
Explanation:
Answer: it can form a maximum of one bond
Explanation:
D. 2,3,4-trimethylpentane
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Potassium, K ( r = 280 pm)
Calcium, Ca (r = 231 pm)
Florine, F (r = 147 pm)
Silicon, Si (r = 111 pm)
Nitrogen, N (r = 65 pm)