General Science Test Flashcards

What is the smallest unit of an element that retains the chemical properties of that element?

Answer: Atom

An atom is the smallest particle of an element that still has the chemical characteristics of that element.

Which type of electromagnetic radiation has the shortest wavelength?

Answer: Gamma rays

Gamma rays have the shortest wavelengths and highest frequencies in the electromagnetic spectrum.

What is the process by which water vapor cools and changes into liquid water called?

Answer: Condensation

Condensation occurs when water vapor loses heat energy and changes into liquid water droplets.

Which blood type is considered the universal donor?

Answer: O negative

O negative blood can be given to patients of any blood type because it lacks A, B, and Rh antigens.

What is the chemical formula for table salt (sodium chloride)?

Answer: NaCl

Sodium chloride (NaCl) is formed when one sodium atom bonds ionically with one chlorine atom.

Which layer of Earth's atmosphere contains the ozone layer?

Answer: Stratosphere

The ozone layer is located in the stratosphere, roughly 15 to 35 kilometers above Earth's surface.

What type of reproduction involves only one parent and produces genetically identical offspring?

Answer: Asexual reproduction

Asexual reproduction requires only one parent, producing offspring that are genetic clones of the parent.