Atoms and the Periodic Table

Front

How many protons does Oxygen (O) have?

Back

8

Front

The number of protons in an atom is called the ..?

Back

Atomic Number

Front

All matter is made of _________.

Back

atoms

Front

The amount of matter in an object (like weight) is its...?

Back

mass

Front

What is the atomic mass of Fluorine (F)?

Back

19

Front

What is an atom?

Back

The smallest unit of an element that retains the properties of that element.

Front

What is the nucleus of an atom?

Back

The central part of an atom that contains protons and neutrons.

Front

What are electrons?

Back

Negatively charged particles that orbit the nucleus of an atom.

Front

What is the periodic table?

Back

A chart that organizes all known elements by their atomic number and properties.

Front

What does the atomic number represent?

Back

The number of protons in the nucleus of an atom.