What is the chemical symbol for titanium?
A) Th
B) Ti
C) Tl
D) Tm
Question 2
How many of the following species are paramagnetic? Sc3+ Br Mg2+ Se
A) 0
B) 2
C) 1
D) 4
E) 3
Question 3
Determine the volume of SO2 (at STP) formed from the reaction of 96.7 g of FeS2 and 55.0 L of O2 (at 398 K and 1.20 atm). The molar mass of FeS2 is 119.99 g/mol. 4 FeS2(s) + 11 O2(g) 2 Fe2O3(s) + 8 SO2(g)
A) 36.1 L
B) 45.3 L
C) 18.1 L
D) 27.6 L
E) 32.9 L
Question 4
Predict the charge of the most stable ion of potassium.
A) 3+
B) 1-
C) 2+
D) 2-
E) 1+
Question 5
The correct answer (reported to the proper number of significant figures) to the following is ________. 11.5 8.78 = ________
Fill in the blank(s) with correct word