Which of the following is not a nonmetal?
A) titanium (atomic no. = 22)
B) sulfur (atomic no. = 16)
C) selenium (atomic no. = 34)
D) xenon (atomic no. = 54)
E) helium (atomic no. = 2)
Answer: A
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Indicate whether the statement is true or false
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Fill in the blank(s) with correct word
Refer to the accompanying narrative. What variable or variables were manipulated by the scientist?
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