Chemistry Christmas Flashcard

Front

Which of the following chemical formulas represents a compound?

Back

CH₃CHO is a compound because it consists of two or more different elements chemically bonded together.

Front

What is the basic structural unit of matter?

Back

An atom is the smallest unit of matter that retains the properties of an element.

Front

What is the test for hydrogen?

Back

The Squeaky pop test is used to identify hydrogen gas; it produces a characteristic sound when ignited.

Front

What is the chemical symbol for Carbon?

Back

C is the chemical symbol for Carbon.

Front

What is the chemical symbol for Gold?

Back

Au is the chemical symbol for Gold.

Front

What is a chemical compound?

Back

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

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What is the significance of the atomic number?

Back

The atomic number represents the number of protons in the nucleus of an atom and determines the element's identity.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, which can be of the same or different elements.