Which Group of Three Elements Contains a Nonmetal,a Metal,and a Metalloid

question 35

Multiple Choice

Which group of three elements contains a nonmetal,a metal,and a metalloid?

• A) Li,Al,Si
• B) Na,Hg,I
• C) I,Hg,Si
• D) K,O,Br
• E) H,Al,N

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Proportions

A statistical measure that indicates the relative size of one number to another, often expressed as a fraction or percentage.

Student Attitude

The predispositions or tendencies of students towards learning, school activities, and education in general, which can influence their academic performance.

Dormitory Regulations

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Expected Count

The predicted number of occurrences in a category for a statistical experiment based on probability theories.