Fall Final Exam Review

Front

What is the electronic configuration for phosphorus?

Back

1s² 2s² 2p⁶ 3s² 3p³

Front

Which element is a halogen?

Back

Chlorine

Front

Identify the type of chemical reaction: C₂H₄ + 3O₂ → 2CO₂ + 2H₂O

Back

Combustion

Front

What is the formula to calculate density?

Back

Density = Mass/Volume

Front

Calculate the density of an object with a mass of 4 g and a volume of 2 cm³.

Back

Density = 2 g/cm³

Front

Balance the equation: __Zn + __HCl → __ZnCl₂ + __H₂

Back

1, 2, 1, 1

Front

What is the definition of a halogen?

Back

Halogens are a group of elements in Group 17 of the periodic table, known for their reactivity.

Front

What is the significance of balancing chemical equations?

Back

Balancing chemical equations ensures the conservation of mass and that the same number of atoms of each element are present on both sides.

Front

What is the general formula for combustion reactions?

Back

Hydrocarbon + O₂ → CO₂ + H₂O

Front

What is the difference between a synthesis and decomposition reaction?

Back

Synthesis: Two or more substances combine to form one product. Decomposition: One substance breaks down into two or more products.