Chemistry Midterm Review

Front

What is the correct formula for aluminum phosphate?

Back

AlPO₄

Front

Which property refers to the energy change when an electron is added to an atom?

Back

Electron affinity

Front

When sodium is combined with fluorine, what happens?

Back

Sodium will transfer its valence electron to fluorine.

Front

What is the electron configuration for Iron?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 3d⁶ 4s²

Front

Which property refers to the energy required to remove an electron from an atom?

Back

Ionization energy

Front

What is the atomic number of Iron?

Back

26

Front

Define electronegativity.

Back

The tendency of an atom to attract electrons in a chemical bond.

Front

What is the significance of the octet rule in chemistry?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is the difference between ionic and covalent bonds?

Back

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

Front

What is the formula for calculating the molar mass of a compound?

Back

Sum of the atomic masses of all atoms in the compound.