EOY Revision Ks3 Flashcards
Definition of a compound?
Made up of two or more DIFFERENT atoms that are chemically bonded
Definition of an element?
Made up of only one type of atom
Definition of an atom?
The smallest part of an element that can exist on it own
Definition of a mixture?
Made up of two or more different elements that are NOT chemically bonded
Symbol for water
HOH -> H20
Symbol for Nitrogen
NN -> N2
Symbol for carbon dioxide
OCO -> CO2
Symbol for Ammonia?
HHHN -> NH5
Symbol for sulfer dioxide?
OSO -> SO2
Symbol for Hydrogen?
HH -> H2
Symbol for Hydrogen chloride?
CLH -> HCL
Symbol for oxygen?
OO -> O2
What is Water?
Compound (H2O)
What is Nitrogen?
Element (N2)
What is Carbon dioxide?
Compound (CO2)
What is Ammonia?
Compound (NH5)
What is sulfur dioxide?
Compound (SO2)
What is Hydrogen?
Element (H2)
What is hydrogen chloride?
Compound (HCL)
What is Oxygen?
Element (O2)
Solid:
They are ______ packed?
They _______?
They are in a ________ pattern?
They are closely packed
They vibrate
They are in a regular pattern
Liquid:
They are ____ packed?
They can ______?
They have an _____ pattern?
They are closely packed
They can flow
They have an irregular pattern
Gas:
They are _____ packed?
They are ____ apart?
They ____ in any direction?
They are not packed
They are far apart
They can move in any direction
