Fall Semester Exam 2024-2025 Review

Front

What is the chemical formula for Tetrasulfur pentoxide?

Back

S₄O₅

Front

Which element requires the LEAST amount of energy to remove the most loosely held electron from a gaseous atom in the ground state?

Back

Lithium

Front

What is a grouping of elements based on similar properties, arranged by columns in the periodic table?

Back

Family

Front

As you move across the periodic table, why do atoms tend to get smaller?

Back

Because the atoms have more protons.

Front

What is the correct order of waves on the electromagnetic spectrum (EMS)?

Back

Radio, Micro, Infra, Visible, Ultra, X-ray, Gamma

Front

What is the definition of an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the significance of the periodic table?

Back

It organizes elements based on their properties and atomic structure.

Front

What is ionization energy?

Back

The energy required to remove an electron from an atom in the gas phase.

Front

What is the difference between a period and a group in the periodic table?

Back

A period is a horizontal row, while a group (or family) is a vertical column.