Which of the following r characteristics of noble gases a. they’re intert b. they’re found in group 1 c. they’re highly reactive elements d. they don’t react with other elements

Characteristics of the noble gases are that they all conduct electricity, fluoresce, are odorless and colorless, and are used in many conditions when a stable element is needed to maintain a safe and constant environment. This chemical series contains helium, neon, argon, krypton, xenon, and radon.

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i'm on my way to history not a mistory.

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2