Chemistry Semester 2 Practice 2025

Front

What is the electromagnetic spectrum (EMS)?

Back

The EMS is the range of all types of electromagnetic radiation, ordered by frequency or wavelength.

Front

List the order of waves on the EMS from lowest frequency to highest frequency.

Back

Radio, Micro, Infrared, Visible, Ultraviolet, X-ray, Gamma.

Front

How many orientations does the s-sublevel have in 3D space?

Back

The s-sublevel has 1 orientation.

Front

What type of bond is formed when electrons are shared equally between atoms?

Back

Nonpolar covalent bond.

Front

Which group of elements loses electrons to form cations with a 2+ charge?

Back

Alkaline Earth metals.

Front

What is the maximum number of electrons that can occupy the 2nd energy level?

Back

8 electrons.

Front

Define ionic bond.

Back

An ionic bond is a chemical bond formed through the transfer of electrons from one atom to another, resulting in the attraction between oppositely charged ions.

Front

What is a polar covalent bond?

Back

A polar covalent bond is a type of bond where electrons are shared unequally between two atoms, leading to a partial positive and negative charge.

Front

What are alkali metals?

Back

Alkali metals are the elements in Group 1 of the periodic table, known for being highly reactive and having one electron in their outermost shell.

Front

What is the principle of electron configuration?

Back

Electron configuration describes the distribution of electrons in an atom's orbitals, following the Aufbau principle, Pauli exclusion principle, and Hund's rule.