Sterling High Fall Final Review 2022-2023

List the numbers of the elements from largest electronegativity on the left and the smallest electronegativity on the right.

• 1, 4, 3, 2, 5

• 5, 2, 3, 4, 1

• 1, 4, 5, 3, 2

• 5, 2, 1, 4, 3

When the equation is balanced, what is the coefficient for NH₃?

• 1.00

• 2.00

• 3.00

• 4.00

Which of the following is a balanced equation for the reaction between silver and copper?

• AgNO₃ + 2Cu------->2Cu(NO₃)₂ + Ag

• 2AgNO₃ + Cu--------->Cu(NO₃)₂ + 2Ag

• 2AgNO₃ + 2Cu---------->Cu(NO₃)₂ + 2Ag

• 2AgNO₃ + 2Cu----------->2Cu(NO₃)₂ +2Ag

Analysis shows a compound to be, by mass, 43.8% N, 6.2% H, and 50% O. Which of the following is a possible formula for this substance?

• N₂OH

• NH₃OH

• NH₄NO₂

• NH₄NO₃

A compound is made up of only iron and oxygen. The ratio of iron ions to oxide ions is 2:3 in this compound. The IUPAC name for this compound is

• triiron dioxide

• iron (III) oxide

• iron (II) oxide

• iron trioxide

Which chemical has an incorrect IUPAC name?

• Chemical 1

• Chemical 2

• Chemical 3

• All three chemicals have correct names.

Which of the following correctly fills in the blanks for the formulas in the table

• N₂, NH₄, O₂

• N₂, NH₄, O₄

• N, NH₄, O₂

• N, NH₃, O₄

What formula represents strontium phosphate

• SrPO₄

• Sr₃PO₈

• Sr₃(PO₄)₂

• Sr₂(PO₄)₃

A 2m³ wooden block has a mass of 10 kg. What is the density of the block?

• 20 m³ kg

• 12 m³ kg

• 8 kgm³

• 5 kg/m³

A 3 ft³ wooden block has a mass of 21 lbs. What is the density of the block?

• 63 ft³ lbs

• 24 ft³ lbs

• 18 lbs ft³

• 7 lbs/ft³