Summary second partial exam

Which of the following is the formula of sodium chloride?

• NaCl

• NaCl₂

• NaClO

• KCl

Which of the following is the formula of potassium nitrate

• PNO₃

• KNO₂

• KNO₃

• K₃N

Which of the following is the formula of iron (III) iodide

• FeI₂

• Fe(IO)₂

• FeI₃

• Fe(IO)₃

Which of the following is the formula of copper (II) sulphate

• CuSO₃

• CuS

• Cu₂SO₄

• CuSO₄

How many infinity stones are there?

• 4

• 5

• 6

• 7

Which of the following is NOT an ionic compound

• NaCl

• MgO

• BeBr₂

• CO₂

Which of the following is the formula of the perchlorate ion

• ClO^-

• ClO₂^-

• ClO₃^-

• ClO₄^-

Which of the following is the formula of the Phosphite ion?

• PO₃^3-

• PO₄^3-

• P^3-

• PO₂^3-

Which of the following IS an ionic compound

• H₂O

• CH₄

• KBr

• CO

How many horcruxes did Voldemort create in total?

• 9

• 8

• 7

• 6