HChem 1st Semester Exam Review - 4

Front

What is the molecular geometry for PCl3?

Back

Trigonal pyramidal.

Front

How many grams of aluminum sulfate would be formed if 250g H2SO4 completely reacted with aluminum?

Back

290 g.

Front

What atom matches this noble gas configuration? [Xe] 6s2 4f14 5d9

Back

Gold.

Front

What is the formula for copper(I) sulfate?

Back

Cu2(SO4).

Front

Which electron configuration belongs to Chlorine (Cl)?

Back

1s2 2s2 2p6 3s2 3p5.

Front

Define molecular geometry.

Back

The three-dimensional arrangement of atoms in a molecule.

Front

What is the significance of the noble gas configuration in chemistry?

Back

It indicates a stable electron arrangement, often associated with low reactivity.

Front

Explain the concept of stoichiometry in chemical reactions.

Back

Stoichiometry involves calculating the quantities of reactants and products in a chemical reaction.

Front

What is the electron configuration for Gold (Au)?

Back

[Xe] 6s2 4f14 5d9.

Front

What is the difference between copper(I) and copper(II) sulfate?

Back

Copper(I) sulfate has Cu+ ions, while copper(II) sulfate has Cu2+ ions.