11 Which sample at STP has the same chemical properties as 10. grams of Al(s) at STP? (1) 10. grams of Si(s)
(2) 10. grams of Na(s)
(3) 5 grams of Al(s)
(4) 5 grams of Mg(s)
Explanation: This question is asking about the same chemical properties. STP and the number of grams are included to distract us and are not relevant to the question. Which element would have the same chemical properties as aluminum? Same element: aluminum
Answer: 3