34-35: Elements (Foundation) Flashcards
What is the name for a substance that cannot be split into simpler substances?
An Element
What are elements?
elements are substances that cannot be split into anything simpler
How many elements make up the substances on earth
90
What two elements make up water
hydrogen and oxygen
How can water be split up into its element?
by passing an electric current through it
About how many elements make up the Earth’s substances?
There are about 90 elements on the earth
What two elements make up water?
Hydrogen and Oxygen
How can water be split up into its elements?
By passing an electric current through it
Which three elements are most common in the Earth’s crust?
Oxygen, Silicone and Aluminium
Is water an element?
No, its made up of two elements, Hydrogen and Oxygen
Name four elements?
Gold, Iron, Oxygen, Carbon, Sulfur, Copper
