Onramps Chemistry Spring Final

(#1) What is the formula for diphosphorous pentaoxide?

• P₂PeO₅

• PO₅

• P₂O₄

• P₂O₅

(#2) Name the compound N₂O₄.

• binitrogen tetraoxide

• dinitride tetraoxide

• dinitrogen quadraoxide

• dinitrogen tetraoxide

(#3) Name the compound P₃Cl₆.

• triphosphorous heptachloride

• triphosphorous hexachloride

• triphosphide hexachloride

• triphosphorous pentachloride

(#4) Name the compound MgCl₂.

• magnesium chloride II

• magnesium chlorine

• magnesium chloride

• magnesium dichloride

(#5) Based on the location of the element, how many more electrons does nitrogen need to be stable or "happy" like the Noble gases?

• 1

• 3

• 5

• 8

Tags

NGSS.HS-PS1-1

(#6) To show the oxidation number for transition metals, a ______ must be used in the name of the compound.

• symbol

• letter

• Roman numeral

• number

(#7) What is the formula for copper II chloride?

• Cu₂Cl

• CuCl₂

• CuCl

• CoCl

Tags

NGSS.HS-PS1-2

(#8) Using the criss-cross method, what would be the compound formed from Li and O?

• Li₂O

• LiO

• LiO₂

• LiOH

(#9) Which of the following is a cation?

• Argon

• Chlorine

• Oxygen

• Magnesium

Tags

NGSS.HS-PS1-1

(#10) Which kind of bond forms between nitrogen and fluorine? (Hint: look at EN differences!)

• polar

• non-polar

• both

• neither