Name 6 elements.
Gold, oxygen, silver, copper, hydrogen, carbon
Which element has the smallest mass?
Hydrogen
What's the difference between an atom and a molecule?
An atom is just one. A molecule is made up of at least 2 atoms.
Which element has the largest mass?
Oganesson
What is the name of the chart that shows all known elements?
The Periodic Table of the Elements
What do the different colors mean?
Metals, metalloids, and non-metals
Is water an element? Why or why not?
No, it is made up of 2 elements - oxygen and hydrogen.
Name two ways an element can be different from another element.
Different mass, number of protons, state of matter, hardness, etc.
How many periods are there on the Periodic Table?
7 periods
How many letters are in each element symbol on the Periodic Table?
Either 1 or 2 letters
What is a compound?
A substance made up of two or more types of atoms.
How is the Periodic Table arranged?
From lowest mass to largest mass
What is an element?
A substance made up of only one type of atom.
What are all substances made up of?
Atoms - incredibly small particles
How many elements are there on the Periodic Table?
118 elements
What are the symbols for these elements - oxygen, silicon, aluminium, iron, calcium?
O, Si, Al, Fe, Ca
How many groups are there on the Periodic Table?
18 groups