Matter Mini-Review

Front

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

Back

Atom

Front

Which element is represented by the symbol 'O' on the periodic table?

Back

Oxygen

Front

How do you find the number of electrons in an atom?

Back

It's the same number as protons.

Front

How many valence electrons does Cesium (Cs) have?

Back

1

Front

How do you find the number of protons in an atom?

Back

Atomic Number.

Front

What is a molecule?

Back

A group of two or more atoms bonded together.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.

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.

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What are neutrons?

Back

Neutral particles found in the nucleus of an atom.