Fall Final Exam: Units 1-5 (LAHS '24-'25)

Front

What element is in Group 2, Period 3?

Back

Magnesium

Front

What atom matches this electron configuration: 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d²?

Back

Titanium

Front

In a covalent bond, what can be said about the electrons?

Back

The valence electrons are shared between the atoms to form a full valence shell in each atom.

Front

Which of the following list of properties correctly describes metallic bonds?

Back

Usually solid, High Melting Point, Good Conductivity, Poor Solubility.

Front

What is the name of the compound CrCl₃?

Back

Chromium (III) chloride.

Front

Define a covalent bond.

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the electron configuration for Titanium?

Back

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d².

Front

What are the characteristics of metals?

Back

Metals are usually solid, have high melting points, good conductivity, and poor solubility.

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 significance of valence electrons?

Back

Valence electrons determine an atom's chemical properties and its ability to bond with other atoms.