2.1-2.3 Matter & Periodic Table Flashcard

Front

What is a compound?

Back

A compound is a substance that contains two or more elements bonded together.

Front

What is titanium's atomic mass?

Back

Titanium's atomic mass is 47.867.

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What period is Bromine (Br) in?

Back

Bromine (Br) is in period 4.

Front

What defines an isotope?

Back

An isotope is an atom that has gained or lost neutrons.

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 bonded together.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is a mixture?

Back

A mixture is a combination of two or more substances that are not chemically bonded.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are the three main types of elements in the periodic table?

Back

The three main types of elements are metals, nonmetals, and metalloids.