Chemistry Elements Only

Front

What is the chemical symbol for Oxygen?

Back

O

Front

What is the chemical symbol for Selenium?

Back

Se

Front

What is the chemical symbol for Nitrogen?

Back

N

Front

What is the chemical symbol for Chromium?

Back

Cr

Front

What is the chemical symbol for Vanadium?

Back

V

Front

Define an element in chemistry.

Back

A substance that cannot be broken down into simpler substances by chemical means.

Front

What is the periodic table?

Back

A tabular arrangement of chemical elements, organized by their atomic number, electron configuration, and recurring chemical properties.

Front

What is an atomic number?

Back

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

Front

What is a compound?

Back

A substance formed when two or more elements chemically bond together.

Front

What is the difference between an element and a compound?

Back

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