midterm review chemistry 2024

A. What is the name of K₂O?

• dipotassium monoxide

• dipotassium oxygen

• Potassium oxide

• Potassium oxygen

A. What is the formula for Sodium Bromide?

• NaBr

• NaBr₂

• Na₂Br

• Na₃Br

A. What is the formula for Sodium Nitrate? (refer to your polyatomic ions sheet)

• NaN

• NaN₂

• NaNO₂

• NaNO₃

Tags

NGSS.HS-PS1-1

A. Ionic compounds are bonds between

• Metals and Metals

• Metals and Nonmetals

• Nonmetals and Nonmetals

• None of the above

Tags

NGSS.HS-PS1-2

A. Which is most likely to form a negative ion?

• an element from group 17

• a metal

• an element from group 1

• an element with atoms that have eight valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A. Formula for lead (II) chloride

• PbCl₂

• Pb₂Cl

• Pb₂Cl₃

• Pb₃Cl₂

A. Formula for iron (II) carbonate

• FeCO₃

• Fe₂CO₃

• FeCO₂

• Fe₂CO₂

A. Formula for Cobalt (II) bromide

• CoBr

• Co₂Br₂

• Co₂Br

• CoBr₂

A. If an element is diatomic it should have a subscript of___

• 1, always

• 2, only when it is an element

• it shouldn't have a subscript, it should have a coefficent

• 2, when bonded in a compound

Tags

NGSS.MS-PS1-1

B. What type of reaction is this?

2 C₆H₁₄ + 19 O₂ → 12 CO₂ + 14 H₂O

• Single Replacement

• Double Replacement

• Combustion

• Decomposition