If you mix a typical iodine ion (I, atomic no. = 53) with a typical barium ion (Ba, atomic no. = 56), what compound is formed?
A) BaI2
B) BaI
C) Ba56I53
D) Ba2I
E) Ba2I2
Question 2
How many oxide ions (O-2) are needed to balance the positive charge of a titanium ion (Ti+4)?
A) 2
B) 1
C) 3
D) 4
E) 6