Chem 2024 Semester Test

Front

What particles are found in the nucleus of an atom?

Back

Protons and neutrons.

Front

What is the electron configuration for Krypton?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶

Front

Which element is represented by the following orbital diagram? (Oxygen)

Back

Oxygen.

Front

Why are goggles worn in the laboratory?

Back

To protect eyes from chemicals, heat, or glassware.

Front

What rule states that atoms form compounds to achieve eight valence electrons?

Back

Octet Rule.

Front

What is the charge of a proton?

Back

Positive.

Front

What is the charge of a neutron?

Back

Neutral.

Front

What is the charge of an electron?

Back

Negative.

Front

What is the significance of the Octet Rule in chemistry?

Back

It explains how atoms bond to achieve a stable electron configuration.

Front

What does VSEPR stand for?

Back

Valence Shell Electron Pair Repulsion.