2024 Fall Semester Final Exam

Front

What is an isotope?

Back

Two atoms of the same element with different amounts of neutrons.

Front

Which element is found in group 2, period 6?

Back

Barium (Ba).

Front

Which element is represented by the image?

Back

Carbon.

Front

What determines the identity of an element?

Back

The number of protons.

Front

What is the joining of atomic nuclei called?

Back

Fusion.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the difference between fission and fusion?

Back

Fission is the splitting of atomic nuclei, while fusion is the joining of atomic nuclei.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What is a chemical bond?

Back

A lasting attraction between atoms that enables the formation of chemical compounds.

Front

What is the role of neutrons in an atom?

Back

Neutrons help stabilize the nucleus and contribute to the atomic mass.