Chemistry Semester Exam Clark HS 2024

Front

What is the name of FeCl₂?

Back

iron (II) chloride

Front

What is the best definition for a mole?

Back

The SI unit for the amount of a substance

Front

What is the electron configuration of Chlorine (Cl)?

Back

1s² 2s² 2p⁶ 3s² 3p⁵

Front

What is the formula for magnesium chloride?

Back

MgCl₂

Front

What is the conversion factor for moles to particles?

Back

1 mol = 6.02 x 10²³ particles

Front

What is the atomic number of Chlorine?

Back

17

Front

What is the significance of the mole in chemistry?

Back

It allows chemists to count particles by weighing them.

Front

What is the formula for calculating moles from mass?

Back

Moles = Mass (g) / Molar Mass (g/mol)

Front

What is the molar mass of water (H₂O)?

Back

18.02 g/mol

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve transfer of electrons, while covalent bonds involve sharing of electrons.