Elements Flashcards
What is an element?
An element is a substance that can not be broken down into any other substance
Every element is made up of its own ___
Atom
Elements are divided into:
Metals and Non-Metals
4 Examples of Metals
Aluminum
Iron
Copper
Gold
4 Examples of Non-Metals
Carbon
Oxygen
Hydrogen
Nitrogen
What is a compound?
A substance made of two or more elements chemically bonded to each other in a fixed ratio
The ratio between Hydrogen and Oxygen is?
2:1
The elements of the periodic table are arranged in:
Rows and Columns
How many columns are in the Periodic Table
18 (Eighteen)
Elements in a group share?
Similar characteristics, including the way they react to other elements
Most elements in the Periodic Table are:
Metals
Metals account for ___% of known elements
80%
The Periodic Table can be used to find out if an element is a
Metal or Non-Metal
Metals are all on the ____
Right