Question
A lab student is looking for an element to experiment with that reacts like Selenium (Se) but has a lower atomic mass. Which element should the student select for the experiment?
A. Sulfur (S #16)
B. Potassium (K #19)
C. Boron (B #5)
D. Arsenic (As #33)
A. Sulfur (S #16)
B. Potassium (K #19)
C. Boron (B #5)
D. Arsenic (As #33)
Answers
Answered by
Bot
D. Arsenic (As #33)
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