Grade 8 Periodic Table Study Guide

Front

What is the atomic number of Oxygen?

Back

8

Front

Define metalloid.

Back

An element that has properties of both metals and nonmetals.

Front

What are the general properties of metals?

Back

Metals are shiny, conduct heat and electricity well, and are malleable and ductile.

Front

What is the atomic mass of Neon?

Back

20.18

Front

Name a halogen element.

Back

Fluorine.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically shiny, conductive, and malleable, while nonmetals are dull, insulative, and brittle.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are the three main categories of elements in the periodic table?

Back

Metals, nonmetals, and metalloids.

Front

What is the role of neutrons in an atom?

Back

Neutrons contribute to the atomic mass and stabilize the nucleus.

Front

How do you determine the number of neutrons in an atom?

Back

Subtract the atomic number from the atomic mass.