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Which of the following elements has the highest at...
Single Choice
Which of the following elements has the highest atomic number?
A.
Hydrogen
B.
Lawrencium [lah-REN-see-um]
C.
Gold
D.
Californium [cal-ih-FOR-nee-um]
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[问答题] What is the area of a rhombus with diagonals of length 22 and 28?
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