2025 Review

Front

Which region contains the halogen family of elements?

Back

C

Front

Which region contains the noble gases?

Back

D

Front

Which region contains the alkali metals family of elements?

Back

A

Front

Which region contains the alkaline earth metals family of elements?

Back

B

Front

What is the electron configuration of phosphorus?

Back

1s² 2s² 2p⁶ 3s² 3p³

Front

What is the coefficient for H₂O when the equation K + H₂O 🡪 KOH + H₂ is balanced?

Back

2

Front

Gasses have

Back

Indefinite shape and volume

Front

What kind of bond will form between oxygen and fluorine? Electronegativity of O = 3.4, F = 4.0. Range Bond Type 0.0-0.39 Non-polar covalent 0.4-0.89 Moderately polar covalent 0.9-1.69 Very polar covalent >=1.7 ionic

Back

moderately polar covalent

Front

The reaction MgCO₃ ⟶ MgO + CO₂ is a(n)...

Back

decomposition reaction

Front

Which of the following is NOT a metal? Options: potassium, sulfur, magnesium, silver

Back

sulfur