Grade 8 Test Periodic Table

Front

What classification do most elements on the periodic table fall under?

Back

Metals

Front

What does the zig-zag line on the periodic table indicate?

Back

It separates metals from nonmetals.

Front

Define atomic mass.

Back

The number of protons and neutrons in the nucleus.

Front

What is a chemical symbol?

Back

One of two letters that represent an element.

Front

Which group of metals is the most reactive?

Back

Group 1 - Alkali metals.

Front

What are nonmetals?

Back

Elements that are typically poor conductors of heat and electricity.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom's nucleus.

Front

What are transition metals?

Back

Elements found in groups 3-12 of the periodic table, known for their ability to form various oxidation states.

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 together.

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals.