Multiple Choice
Which of the following pairs of elements would be most likely to form an ionic compound?
A) P and Br
B) Cu and K
C) C and O
D) O and Zn
E) Al and Rb
Correct Answer:

Verified
Correct Answer:
Verified
Q14: The elements known as the halogens are
Q18: The proton is about 1840 times heavier
Q21: Give the formula of ammonium sulfate.
Q41: Give the formula for calcium chloride.
Q44: The formula for sodium sulfide is<br>A) NaS.<br>B)
Q47: Which is the correct formula for lead(IV)chloride?<br>A)Pb<sub>4</sub>Cl<br>B)PbCl<sub>2</sub><br>C)PbCl<sub>3</sub><br>D)PbCl<sub>4</sub><br>E)Pb<sub>2</sub>Cl<sub>4</sub>
Q50: Which is the correct formula for copper(II)phosphate?<br>A)Cu<sub>2</sub>PO<sub>4</sub><br>B)Cu<sub>3</sub>(PO<sub>4</sub>)<sub>2</sub><br>C)Cu<sub>2</sub>PO<sub>3</sub><br>D)Cu(PO<sub>4</sub>)<sub>2</sub><br>E)Cu(PO<sub>3</sub>)<sub>2</sub>
Q55: Give the formula of magnesium nitrate.
Q140: An oxide ion, O<sup>2-</sup>, has:<br>A) 8 protons
Q156: The chemical formula for iron(II) nitrate is<br>A)