Which Group Contains Only Elements Which Normally Exist as Diatomic

question 68

Multiple Choice

Which group contains only elements which normally exist as diatomic molecules?

• A)nitrogen;sulfur,bromine
• B)helium;neon,argon
• C)nitrogen;oxygen,fluorine
• D)hydrogen;lithium,sodium
• E)oxygen;phosphorus,germanium

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Definitions:

Significance Level

A threshold in hypothesis testing that determines whether the observed results are statistically significant.

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The gradual degradation and wear of engine components due to friction, heat, and use over time, affecting performance and lifespan.

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Targeted efforts designed to promote a specific product, service, or event to increase awareness, sales, or engagement.

Significance Level

The probability threshold below which the null hypothesis is rejected in statistical testing, often denoted by alpha.