Periodic Table
Changes
Properties
Classification
Formulas
100
It has the symbol C.
What is carbon?
100
The melting of ice is an example.
What is a physical change?
100
Properties that do not change the type of substance.
What is a physical property?
100
Made up of only one type of atom.
What is an element?
100
H2
What is the formula for hydrogen?
200
The elements in column 1.
What are the alkali metals?
200
This gas puts out fires.
What is carbon dioxide?
200
Shiny, conducts electricity and malleable.
What are the properties of metals?
200
Made up of two or more elements that have been chemically combined.
What is a compound?
200
H2O
What is the formula for water?
300
It has an atomic number of 9.
What is fluorine?
300
Producing energy, a gas, a solid, a new odour, or a colour change.
What is the evidence for a chemical change?
300
Brittle, dull and non-conductive.
What are the properties of non-metals?
300
A mixture of salt and water.
What is a solution?
300
Au
What is symbol for gold?
400
The element that has 20 electrons in its atoms.
What is calcium?
400
Burning paper.
What is an example of a chemical change?
400
They react explosively with water.
What do alkali metals do?
400
A uniform mixture of two metals.
What is an alloy?
400
NaCl
What is the formula for sodium chloride (salt)?
500
The only metal that is a liquid.
What is mercury?
500
A new solid produced in a chemical reaction.
What is a precipitate?
500
An explosive gas.
What is hydrogen?
500
Sand and water.
What is an example of a heterogeneous (mechanical) mixture?
500
C6H12O6
What is formula for glucose (sugar)?
M
e
n
u