Flashcardizz- RETAKE Test: Chemistry

Front

What is an element?

Back

An element is a pure substance that cannot be broken down by chemical means.

Front

What is an ion?

Back

An ion is a charged (+/-) atom.

Front

What are DNA and RNA examples of?

Back

DNA and RNA are examples of Nucleic Acids.

Front

Why is water known as a universal solvent?

Back

Water is known as a universal solvent because many things dissolve in it.

Front

What are the monomers of lipids?

Back

Glycerol and fatty acids are the monomers of lipids.

Front

What is a compound?

Back

A compound is a substance formed when two or more elements are chemically bonded together.

Front

What is a molecule?

Back

A molecule is the smallest unit of a chemical compound that retains its chemical properties.

Front

What is the pH scale?

Back

The pH scale measures how acidic or basic a solution is, ranging from 0 (acidic) to 14 (basic), with 7 being neutral.

Front

What is a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Front

What are enzymes?

Back

Enzymes are biological catalysts that speed up chemical reactions in living organisms.