Unit 5: Periodic Table

Front

What is the chemical symbol for Aluminum?

Back

Al

Front

What does the Ne in the periodic table square represent?

Back

atomic symbol

Front

What is the chemical symbol for Silicon?

Back

Si

Front

How many different ELEMENTS are in H2O?

Back

2

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.

Front

What is the atomic mass of an element?

Back

The weighted average mass of an element's isotopes.

Front

What is a compound?

Back

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

Front

What is an element?

Back

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

Front

What is the periodic table?

Back

A tabular arrangement of elements organized by increasing atomic number.

Front

What are groups in the periodic table?

Back

Vertical columns that group elements with similar properties.